don't use annoying and unneeded in C++ casts of NULL to "T *" in all other files neither

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58227 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/aui/tabmdi.h

@@ -162,9 +162,9 @@ public:
                                          long WXUNUSED(style) = 1,
                                          wxWindowID WXUNUSED(winid) = 1,
                                          const wxString& WXUNUSED(name) = wxEmptyString)
-      { return (wxStatusBar*)NULL; }
+      { return NULL; }
 
-    virtual wxStatusBar *GetStatusBar() const { return (wxStatusBar*)NULL; }
+    virtual wxStatusBar *GetStatusBar() const { return NULL; }
     virtual void SetStatusText( const wxString &WXUNUSED(text), int WXUNUSED(number)=0 ) {}
     virtual void SetStatusWidths( int WXUNUSED(n), const int WXUNUSED(widths_field)[] ) {}
 #endif
@@ -174,8 +174,8 @@ public:
     virtual wxToolBar* CreateToolBar(long WXUNUSED(style),
                                      wxWindowID WXUNUSED(winid),
                                      const wxString& WXUNUSED(name))
-        { return (wxToolBar*)NULL; }
+        { return NULL; }
-    virtual wxToolBar *GetToolBar() const { return (wxToolBar*)NULL; }
+    virtual wxToolBar *GetToolBar() const { return NULL; }
 #endif
 
 

include/wx/bitmap.h

@@ -174,7 +174,7 @@ public:
     virtual wxBitmap GetSubBitmap(const wxRect& rect) const = 0;
 
     virtual bool SaveFile(const wxString &name, wxBitmapType type,
-                          const wxPalette *palette = (wxPalette *)NULL) const = 0;
+                          const wxPalette *palette = NULL) const = 0;
     virtual bool LoadFile(const wxString &name, wxBitmapType type) = 0;
 
     /*

include/wx/caret.h

@@ -167,7 +167,7 @@ protected:
     // the common initialization
     void Init()
     {
-        m_window = (wxWindowBase *)NULL;
+        m_window = NULL;
         m_x = m_y = 0;
         m_width = m_height = 0;
         m_countVisible = 0;

include/wx/clipbrd.h

@@ -167,7 +167,7 @@ typedef void (wxEvtHandler::*wxClipboardEventFunction)(wxClipboardEvent&);
 class WXDLLIMPEXP_CORE wxClipboardLocker
 {
 public:
-    wxClipboardLocker(wxClipboard *clipboard = (wxClipboard *)NULL)
+    wxClipboardLocker(wxClipboard *clipboard = NULL)
     {
         m_clipboard = clipboard ? clipboard : wxTheClipboard;
         if ( m_clipboard )

include/wx/cocoa/dataobj2.h

@@ -36,7 +36,7 @@ public:
     virtual bool SetData(size_t len, const void *buf);
 
 protected:
-    void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
+    void Init() { m_pngData = NULL; m_pngSize = 0; }
     void Clear() { free(m_pngData); }
     void ClearAll() { Clear(); Init(); }
 

include/wx/cocoa/menuitem.h

@@ -31,12 +31,12 @@ public:
 // ------------------------------------------------------------------------
 // initialization
 // ------------------------------------------------------------------------
-    wxMenuItemCocoa(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItemCocoa(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& name = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItemCocoa();
 
 // ------------------------------------------------------------------------

include/wx/colordlg.h

@@ -33,7 +33,7 @@
 class WXDLLIMPEXP_FWD_CORE wxColourData;
 
 // get the colour from user and return it
-WXDLLIMPEXP_CORE wxColour wxGetColourFromUser(wxWindow *parent = (wxWindow *)NULL,
+WXDLLIMPEXP_CORE wxColour wxGetColourFromUser(wxWindow *parent = NULL,
                                               const wxColour& colInit = wxNullColour,
                                               const wxString& caption = wxEmptyString,
                                               wxColourData *data = NULL);

include/wx/combo.h

@@ -651,7 +651,7 @@ class WXDLLIMPEXP_CORE wxComboPopup
 public:
     wxComboPopup()
     {
-        m_combo = (wxComboCtrlBase*) NULL;
+        m_combo = NULL;
         m_iFlags = 0;
     }
 

include/wx/cshelp.h

@@ -217,7 +217,7 @@ class WXDLLIMPEXP_CORE wxHelpControllerHelpProvider : public wxSimpleHelpProvide
 public:
     // Note that it doesn't own the help controller. The help controller
     // should be deleted separately.
-    wxHelpControllerHelpProvider(wxHelpControllerBase* hc = (wxHelpControllerBase*) NULL);
+    wxHelpControllerHelpProvider(wxHelpControllerBase* hc = NULL);
 
     // implement wxHelpProvider methods
 

include/wx/datetime.h

@@ -1270,7 +1270,7 @@ public:
     inline wxLongLong GetValue() const;
 
     // a helper function to get the current time_t
-    static time_t GetTimeNow() { return time((time_t *)NULL); }
+    static time_t GetTimeNow() { return time(NULL); }
 
     // another one to get the current time broken down
     static struct tm *GetTmNow()

include/wx/dfb/bitmap.h

@@ -51,7 +51,7 @@ public:
     virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
 
     virtual bool SaveFile(const wxString &name, wxBitmapType type,
-                          const wxPalette *palette = (wxPalette *) NULL) const;
+                          const wxPalette *palette = NULL) const;
     virtual bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
 
 #if wxUSE_PALETTE

include/wx/dfb/window.h

@@ -83,8 +83,8 @@ public:
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
+                               int *descent = NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 

include/wx/dnd.h

@@ -63,7 +63,7 @@ public:
         : m_cursorCopy(cursorCopy),
           m_cursorMove(cursorMove),
           m_cursorStop(cursorStop)
-        { m_data = (wxDataObject *)NULL; }
+        { m_data = NULL; }
     virtual ~wxDropSourceBase() { }
 
     // set the data which is transfered by drag and drop
@@ -135,7 +135,7 @@ public:
     // ctor takes a pointer to heap-allocated wxDataObject which will be owned
     // by wxDropTarget and deleted by it automatically. If you don't give it
     // here, you can use SetDataObject() later.
-    wxDropTargetBase(wxDataObject *dataObject = (wxDataObject*)NULL)
+    wxDropTargetBase(wxDataObject *dataObject = NULL)
         { m_dataObject = dataObject; m_defaultAction = wxDragNone; }
     // dtor deletes our data object
     virtual ~wxDropTargetBase()

include/wx/docmdi.h

@@ -84,7 +84,7 @@ public:
     inline wxView *GetView(void) const { return m_childView; }
     inline void SetDocument(wxDocument *doc) { m_childDocument = doc; }
     inline void SetView(wxView *view) { m_childView = view; }
-    bool Destroy() { m_childView = (wxView *)NULL; return wxMDIChildFrame::Destroy(); }
+    bool Destroy() { m_childView = NULL; return wxMDIChildFrame::Destroy(); }
 
 protected:
     void Init();

include/wx/filefn.h

@@ -561,7 +561,7 @@ wxDEPRECATED( WXDLLIMPEXP_BASE void wxStripExtension(wxString& buffer) );
     // DEPRECATED: construct a wxFileName, use ClearExt() and then GetFullPath()
 
 // Get a temporary filename
-wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL) );
+wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = NULL) );
 wxDEPRECATED_BUT_USED_INTERNALLY( WXDLLIMPEXP_BASE bool wxGetTempFileName(const wxString& prefix, wxString& buf) );
 
 // Expand file name (~/ and ${OPENWINHOME}/ stuff)
@@ -623,7 +623,7 @@ WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2,
 // copies into buf.
 // IMPORTANT NOTE getcwd is know not to work under some releases
 // of Win32s 1.3, according to MS release notes!
-wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000) );
+wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = NULL, int sz = 1000) );
 // new and preferred version of wxGetWorkingDirectory
 // NB: can't have the same name because of overloading ambiguity
 #endif // WXWIN_COMPATIBILITY_2_6

include/wx/fontdlg.h

@@ -108,7 +108,7 @@ inline bool wxFontDialogBase::Create(wxWindow *parent, const wxFontData *data)
 
 // get the font from user and return it, returns wxNullFont if the dialog was
 // cancelled
-WXDLLIMPEXP_CORE wxFont wxGetFontFromUser(wxWindow *parent = (wxWindow *)NULL,
+WXDLLIMPEXP_CORE wxFont wxGetFontFromUser(wxWindow *parent = NULL,
                                           const wxFont& fontInit = wxNullFont,
                                           const wxString& caption = wxEmptyString);
 

include/wx/generic/colrdlgg.h

@@ -34,10 +34,10 @@ class WXDLLIMPEXP_CORE wxGenericColourDialog : public wxDialog
 public:
     wxGenericColourDialog();
     wxGenericColourDialog(wxWindow *parent,
-                          wxColourData *data = (wxColourData *) NULL);
+                          wxColourData *data = NULL);
     virtual ~wxGenericColourDialog();
 
-    bool Create(wxWindow *parent, wxColourData *data = (wxColourData *) NULL);
+    bool Create(wxWindow *parent, wxColourData *data = NULL);
 
     wxColourData &GetColourData() { return m_colourData; }
 

include/wx/generic/dragimgg.h

@@ -193,7 +193,7 @@ public:
 
     // Begin drag. hotspot is the location of the drag position relative to the upper-left
     // corner of the image.
-    bool BeginDrag(const wxPoint& hotspot, wxWindow* window, bool fullScreen = false, wxRect* rect = (wxRect*) NULL);
+    bool BeginDrag(const wxPoint& hotspot, wxWindow* window, bool fullScreen = false, wxRect* rect = NULL);
 
     // Begin drag. hotspot is the location of the drag position relative to the upper-left
     // corner of the image. This is full screen only. fullScreenRect gives the

include/wx/generic/helpext.h

@@ -69,7 +69,7 @@ public:
                                     wxPoint *WXUNUSED(pos) = NULL,
                                     bool *WXUNUSED(newFrameEachTime) = NULL)
         {
-            return (wxFrame*) NULL; // does nothing by default
+            return NULL; // does nothing by default
         }
 
 protected:

include/wx/generic/laywin.h

@@ -213,15 +213,15 @@ public:
 
 #if wxUSE_MDI_ARCHITECTURE
     // The MDI client window is sized to whatever's left over.
-    bool LayoutMDIFrame(wxMDIParentFrame* frame, wxRect* rect = (wxRect*) NULL);
+    bool LayoutMDIFrame(wxMDIParentFrame* frame, wxRect* rect = NULL);
 #endif // wxUSE_MDI_ARCHITECTURE
 
     // mainWindow is sized to whatever's left over. This function for backward
     // compatibility; use LayoutWindow.
-    bool LayoutFrame(wxFrame* frame, wxWindow* mainWindow = (wxWindow*) NULL);
+    bool LayoutFrame(wxFrame* frame, wxWindow* mainWindow = NULL);
 
     // mainWindow is sized to whatever's left over.
-    bool LayoutWindow(wxWindow* frame, wxWindow* mainWindow = (wxWindow*) NULL);
+    bool LayoutWindow(wxWindow* frame, wxWindow* mainWindow = NULL);
 };
 
 #endif

include/wx/generic/numdlgg.h

@@ -71,7 +71,7 @@ WXDLLIMPEXP_CORE long
                         long value = 0,
                         long min = 0,
                         long max = 100,
-                        wxWindow *parent = (wxWindow *)NULL,
+                        wxWindow *parent = NULL,
                         const wxPoint& pos = wxDefaultPosition);
 
 #endif // wxUSE_NUMBERDLG

include/wx/generic/printps.h

@@ -24,7 +24,7 @@
 class WXDLLIMPEXP_CORE wxPostScriptPrinter : public wxPrinterBase
 {
 public:
-    wxPostScriptPrinter(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+    wxPostScriptPrinter(wxPrintDialogData *data = NULL);
     virtual ~wxPostScriptPrinter();
 
     virtual bool Print(wxWindow *parent, wxPrintout *printout, bool prompt = true);
@@ -44,8 +44,8 @@ class WXDLLIMPEXP_CORE wxPostScriptPrintPreview : public wxPrintPreviewBase
 {
 public:
     wxPostScriptPrintPreview(wxPrintout *printout,
-                             wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
+                             wxPrintout *printoutForPrinting = NULL,
-                             wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+                             wxPrintDialogData *data = NULL);
     wxPostScriptPrintPreview(wxPrintout *printout,
                              wxPrintout *printoutForPrinting,
                              wxPrintData *data);

include/wx/generic/prntdlgg.h

@@ -141,7 +141,7 @@ class WXDLLIMPEXP_CORE wxGenericPrintDialog : public wxPrintDialogBase
 {
 public:
     wxGenericPrintDialog(wxWindow *parent,
-                         wxPrintDialogData* data = (wxPrintDialogData*)NULL);
+                         wxPrintDialogData* data = NULL);
     wxGenericPrintDialog(wxWindow *parent, wxPrintData* data);
 
     virtual ~wxGenericPrintDialog();

include/wx/generic/splitter.h

@@ -119,7 +119,7 @@ public:
 
     // Removes the specified (or second) window from the view
     // Doesn't actually delete the window.
-    bool Unsplit(wxWindow *toRemove = (wxWindow *) NULL);
+    bool Unsplit(wxWindow *toRemove = NULL);
 
     // Replaces one of the windows with another one (neither old nor new
     // parameter should be NULL)
@@ -316,7 +316,7 @@ class WXDLLIMPEXP_CORE wxSplitterEvent : public wxNotifyEvent
 {
 public:
     wxSplitterEvent(wxEventType type = wxEVT_NULL,
-                    wxSplitterWindow *splitter = (wxSplitterWindow *)NULL)
+                    wxSplitterWindow *splitter = NULL)
         : wxNotifyEvent(type)
     {
         SetEventObject(splitter);

include/wx/generic/tabg.h

@@ -31,7 +31,7 @@ class WXDLLIMPEXP_CORE wxTabControl: public wxObject
 {
 DECLARE_DYNAMIC_CLASS(wxTabControl)
 public:
-    wxTabControl(wxTabView *v = (wxTabView *) NULL);
+    wxTabControl(wxTabView *v = NULL);
     virtual ~wxTabControl(void);
 
     virtual void OnDraw(wxDC& dc, bool lastInRow);
@@ -108,7 +108,7 @@ public:
   inline wxWindow* GetWindow(void) const { return m_window; }
 
   // Automatically positions tabs
-  wxTabControl *AddTab(int id, const wxString& label, wxTabControl *existingTab = (wxTabControl *) NULL);
+  wxTabControl *AddTab(int id, const wxString& label, wxTabControl *existingTab = NULL);
 
   // Remove the tab without deleting the window
   bool RemoveTab(int id);

include/wx/generic/textdlgg.h

@@ -97,7 +97,7 @@ WXDLLIMPEXP_CORE wxString
     wxGetTextFromUser(const wxString& message,
                     const wxString& caption = wxGetTextFromUserPromptStr,
                     const wxString& default_value = wxEmptyString,
-                    wxWindow *parent = (wxWindow *) NULL,
+                    wxWindow *parent = NULL,
                     wxCoord x = wxDefaultCoord,
                     wxCoord y = wxDefaultCoord,
                     bool centre = true);
@@ -106,7 +106,7 @@ WXDLLIMPEXP_CORE wxString
     wxGetPasswordFromUser(const wxString& message,
                         const wxString& caption = wxGetPasswordFromUserPromptStr,
                         const wxString& default_value = wxEmptyString,
-                        wxWindow *parent = (wxWindow *) NULL,
+                        wxWindow *parent = NULL,
                         wxCoord x = wxDefaultCoord,
                         wxCoord y = wxDefaultCoord,
                         bool centre = true);

include/wx/gtk/bitmap.h

@@ -85,7 +85,7 @@ public:
     wxBitmap GetSubBitmap( const wxRect& rect ) const;
 
     bool SaveFile(const wxString &name, wxBitmapType type,
-                          const wxPalette *palette = (wxPalette *)NULL) const;
+                          const wxPalette *palette = NULL) const;
     bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
 
 #if wxUSE_PALETTE

include/wx/gtk/choice.h

@@ -50,7 +50,7 @@ public:
     bool Create( wxWindow *parent, wxWindowID id,
             const wxPoint& pos = wxDefaultPosition,
             const wxSize& size = wxDefaultSize,
-            int n = 0, const wxString choices[] = (wxString *) NULL,
+            int n = 0, const wxString choices[] = NULL,
             long style = 0,
             const wxValidator& validator = wxDefaultValidator,
             const wxString& name = wxChoiceNameStr );

include/wx/gtk/colordlg.h

@@ -20,10 +20,10 @@ class WXDLLIMPEXP_CORE wxColourDialog : public wxDialog
 public:
     wxColourDialog() {}
     wxColourDialog(wxWindow *parent,
-                   wxColourData *data = (wxColourData *)NULL);
+                   wxColourData *data = NULL);
     virtual ~wxColourDialog() {}
 
-    bool Create(wxWindow *parent, wxColourData *data = (wxColourData *)NULL);
+    bool Create(wxWindow *parent, wxColourData *data = NULL);
 
     wxColourData &GetColourData() { return m_data; }
 

include/wx/gtk/dataobj2.h

@@ -49,7 +49,7 @@ public:
     }
 
 protected:
-    void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
+    void Init() { m_pngData = NULL; m_pngSize = 0; }
     void Clear() { free(m_pngData); }
     void ClearAll() { Clear(); Init(); }
 

include/wx/gtk/dcclient.h

@@ -70,9 +70,9 @@ public:
                                    double angle);
     virtual void DoGetTextExtent( const wxString &string,
                                 wxCoord *width, wxCoord *height,
-                                wxCoord *descent = (wxCoord *) NULL,
+                                wxCoord *descent = NULL,
-                                wxCoord *externalLeading = (wxCoord *) NULL,
+                                wxCoord *externalLeading = NULL,
-                                const wxFont *theFont = (wxFont *) NULL) const;
+                                const wxFont *theFont = NULL) const;
     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
     virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     virtual void DoSetDeviceClippingRegion( const wxRegion &region );

include/wx/gtk/dnd.h

@@ -29,7 +29,7 @@
 class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase
 {
 public:
-    wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
+    wxDropTarget(wxDataObject *dataObject = NULL );
 
     virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
     virtual bool OnDrop(wxCoord x, wxCoord y);
@@ -63,7 +63,7 @@ class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase
 {
 public:
     // constructor. set data later with SetData()
-    wxDropSource( wxWindow *win = (wxWindow *)NULL,
+    wxDropSource( wxWindow *win = NULL,
                   const wxIcon &copy = wxNullIcon,
                   const wxIcon &move = wxNullIcon,
                   const wxIcon &none = wxNullIcon);

include/wx/gtk/gnome/gprint.h

@@ -281,9 +281,9 @@ protected:
         wxFAIL_MSG( "not implemented" );
     }
     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
-                     wxCoord *descent = (wxCoord *) NULL,
+                     wxCoord *descent = NULL,
-                     wxCoord *externalLeading = (wxCoord *) NULL,
+                     wxCoord *externalLeading = NULL,
-                     const wxFont *theFont = (wxFont *) NULL ) const;
+                     const wxFont *theFont = NULL ) const;
     void DoGetSize(int* width, int* height) const;
     void DoGetSizeMM(int *width, int *height) const;
 
@@ -325,8 +325,8 @@ class wxGnomePrintPreview : public wxPrintPreviewBase
 {
 public:
     wxGnomePrintPreview(wxPrintout *printout,
-                             wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
+                             wxPrintout *printoutForPrinting = NULL,
-                             wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+                             wxPrintDialogData *data = NULL);
     wxGnomePrintPreview(wxPrintout *printout,
                              wxPrintout *printoutForPrinting,
                              wxPrintData *data);

include/wx/gtk/menuitem.h

@@ -19,12 +19,12 @@
 class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
 {
 public:
-    wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItem(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& text = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItem();
 
     // implement base class virtuals

include/wx/gtk/print.h

@@ -288,9 +288,9 @@ protected:
         wxFAIL_MSG( "not implemented" );
     }
     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
-                     wxCoord *descent = (wxCoord *) NULL,
+                     wxCoord *descent = NULL,
-                     wxCoord *externalLeading = (wxCoord *) NULL,
+                     wxCoord *externalLeading = NULL,
-                     const wxFont *theFont = (wxFont *) NULL ) const;
+                     const wxFont *theFont = NULL ) const;
     void DoGetSize(int* width, int* height) const;
     void DoGetSizeMM(int *width, int *height) const;
 
@@ -327,8 +327,8 @@ class WXDLLIMPEXP_CORE wxGtkPrintPreview : public wxPrintPreviewBase
 {
 public:
     wxGtkPrintPreview(wxPrintout *printout,
-                             wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
+                             wxPrintout *printoutForPrinting = NULL,
-                             wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+                             wxPrintDialogData *data = NULL);
     wxGtkPrintPreview(wxPrintout *printout,
                              wxPrintout *printoutForPrinting,
                              wxPrintData *data);

include/wx/gtk/window.h

@@ -84,8 +84,8 @@ public:
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
+                               int *descent = NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 
@@ -96,7 +96,7 @@ public:
     virtual int GetScrollThumb( int orient ) const;
     virtual int GetScrollRange( int orient ) const;
     virtual void ScrollWindow( int dx, int dy,
-                               const wxRect* rect = (wxRect *) NULL );
+                               const wxRect* rect = NULL );
     virtual bool ScrollLines(int lines);
     virtual bool ScrollPages(int pages);
 

include/wx/gtk1/bitmap.h

@@ -96,7 +96,7 @@ public:
     wxBitmap GetSubBitmap( const wxRect& rect ) const;
 
     bool SaveFile(const wxString &name, wxBitmapType type,
-                          const wxPalette *palette = (wxPalette *)NULL) const;
+                          const wxPalette *palette = NULL) const;
     bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
 
 #if wxUSE_PALETTE

include/wx/gtk1/choice.h

@@ -29,7 +29,7 @@ public:
             const wxValidator& validator = wxDefaultValidator,
             const wxString& name = wxChoiceNameStr )
     {
-        m_strings = (wxSortedArrayString *)NULL;
+        m_strings = NULL;
 
         Create(parent, id, pos, size, n, choices, style, validator, name);
     }
@@ -41,7 +41,7 @@ public:
             const wxValidator& validator = wxDefaultValidator,
             const wxString& name = wxChoiceNameStr )
     {
-        m_strings = (wxSortedArrayString *)NULL;
+        m_strings = NULL;
 
         Create(parent, id, pos, size, choices, style, validator, name);
     }
@@ -49,7 +49,7 @@ public:
     bool Create( wxWindow *parent, wxWindowID id,
             const wxPoint& pos = wxDefaultPosition,
             const wxSize& size = wxDefaultSize,
-            int n = 0, const wxString choices[] = (wxString *) NULL,
+            int n = 0, const wxString choices[] = NULL,
             long style = 0,
             const wxValidator& validator = wxDefaultValidator,
             const wxString& name = wxChoiceNameStr );

include/wx/gtk1/colordlg.h

@@ -23,10 +23,10 @@ class WXDLLIMPEXP_CORE wxColourDialog : public wxDialog
 public:
     wxColourDialog() {}
     wxColourDialog(wxWindow *parent,
-                   wxColourData *data = (wxColourData *)NULL);
+                   wxColourData *data = NULL);
     virtual ~wxColourDialog() {}
 
-    bool Create(wxWindow *parent, wxColourData *data = (wxColourData *)NULL);
+    bool Create(wxWindow *parent, wxColourData *data = NULL);
 
     wxColourData &GetColourData() { return m_data; }
 

include/wx/gtk1/dataobj2.h

@@ -36,7 +36,7 @@ public:
     virtual bool SetData(size_t len, const void *buf);
 
 protected:
-    void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
+    void Init() { m_pngData = NULL; m_pngSize = 0; }
     void Clear() { free(m_pngData); }
     void ClearAll() { Clear(); Init(); }
 

include/wx/gtk1/dcclient.h

@@ -73,9 +73,9 @@ protected:
                                    double angle);
     virtual void DoGetTextExtent( const wxString &string,
                                 wxCoord *width, wxCoord *height,
-                                wxCoord *descent = (wxCoord *) NULL,
+                                wxCoord *descent = NULL,
-                                wxCoord *externalLeading = (wxCoord *) NULL,
+                                wxCoord *externalLeading = NULL,
-                                const wxFont *theFont = (wxFont *) NULL) const;
+                                const wxFont *theFont = NULL) const;
 
 public:
     virtual wxCoord GetCharWidth() const;

include/wx/gtk1/dnd.h

@@ -48,7 +48,7 @@ class WXDLLIMPEXP_FWD_CORE wxDropSource;
 class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase
 {
 public:
-    wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
+    wxDropTarget(wxDataObject *dataObject = NULL );
 
     virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
     virtual bool OnDrop(wxCoord x, wxCoord y);
@@ -82,7 +82,7 @@ class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase
 {
 public:
     // constructor. set data later with SetData()
-    wxDropSource( wxWindow *win = (wxWindow *)NULL,
+    wxDropSource( wxWindow *win = NULL,
                   const wxIcon &copy = wxNullIcon,
                   const wxIcon &move = wxNullIcon,
                   const wxIcon &none = wxNullIcon);

include/wx/gtk1/menuitem.h

@@ -19,12 +19,12 @@
 class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
 {
 public:
-    wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItem(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& text = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItem();
 
     // implement base class virtuals
@@ -55,7 +55,7 @@ public:
                const wxString& text,
                const wxString& help,
                bool isCheckable,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
 
 private:
     // common part of all ctors

include/wx/gtk1/scrolbar.h

@@ -26,7 +26,7 @@ class WXDLLIMPEXP_CORE wxScrollBar: public wxScrollBarBase
 {
 public:
     wxScrollBar()
-       { m_adjust = (GtkAdjustment *) NULL; m_oldPos = 0.0; }
+       { m_adjust = NULL; m_oldPos = 0.0; }
     inline wxScrollBar( wxWindow *parent, wxWindowID id,
            const wxPoint& pos = wxDefaultPosition,
            const wxSize& size = wxDefaultSize,

include/wx/gtk1/window.h

@@ -86,8 +86,8 @@ public:
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
+                               int *descent = NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 
@@ -102,7 +102,7 @@ public:
     virtual int GetScrollThumb( int orient ) const;
     virtual int GetScrollRange( int orient ) const;
     virtual void ScrollWindow( int dx, int dy,
-                               const wxRect* rect = (wxRect *) NULL );
+                               const wxRect* rect = NULL );
 
 #if wxUSE_DRAG_AND_DROP
     virtual void SetDropTarget( wxDropTarget *dropTarget );

include/wx/helpbase.h

@@ -82,7 +82,7 @@ public:
         wxPoint *WXUNUSED(pos) = NULL,
         bool *WXUNUSED(newFrameEachTime) = NULL)
     {
-        return (wxFrame*) NULL; // does nothing by default
+        return NULL; // does nothing by default
     }
 
     virtual bool Quit() = 0;

include/wx/html/webkit.h

@@ -145,7 +145,7 @@ public:
     void SetNavigationType(int navType) { m_navType = navType; }
     int GetNavigationType() { return m_navType; }
 
-    wxWebKitBeforeLoadEvent( wxWindow* win = (wxWindow*) NULL );
+    wxWebKitBeforeLoadEvent( wxWindow* win = NULL );
     wxEvent *Clone(void) const { return new wxWebKitBeforeLoadEvent(*this); }
 
 protected:
@@ -164,7 +164,7 @@ public:
     wxString GetURL() { return m_url; }
     void SetURL(const wxString& url) { m_url = url; }
 
-    wxWebKitStateChangedEvent( wxWindow* win = (wxWindow*) NULL );
+    wxWebKitStateChangedEvent( wxWindow* win = NULL );
     wxEvent *Clone(void) const { return new wxWebKitStateChangedEvent(*this); }
 
 protected:
@@ -212,21 +212,21 @@ wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_WEBKIT_NEW_WINDOW, wxWebKitNew
                             wxID_ANY, \
                             wxID_ANY, \
                             wxWebKitStateChangedEventHandler( func ), \
-                            (wxObject *) NULL ),
+                            NULL ),
 
 #define EVT_WEBKIT_BEFORE_LOAD(func) \
             DECLARE_EVENT_TABLE_ENTRY( wxEVT_WEBKIT_BEFORE_LOAD, \
                             wxID_ANY, \
                             wxID_ANY, \
                             wxWebKitBeforeLoadEventHandler( func ), \
-                            (wxObject *) NULL ),
+                            NULL ),
 
 #define EVT_WEBKIT_NEW_WINDOW(func)                              \
             DECLARE_EVENT_TABLE_ENTRY( wxEVT_WEBKIT_NEW_WINDOW, \
                             wxID_ANY, \
                             wxID_ANY, \
                             wxWebKitNewWindowEventFunction( func ), \
-                            (wxObject *) NULL ),
+                            NULL ),
 #endif // wxUSE_WEBKIT
 
 #endif

include/wx/image.h

@@ -286,7 +286,7 @@ public:
     // Rotates the image about the given point, 'angle' radians.
     // Returns the rotated image, leaving this image intact.
     wxImage Rotate(double angle, const wxPoint & centre_of_rotation,
-                   bool interpolating = true, wxPoint * offset_after_rotation = (wxPoint*) NULL) const;
+                   bool interpolating = true, wxPoint * offset_after_rotation = NULL) const;
 
     wxImage Rotate90( bool clockwise = true ) const;
     wxImage Mirror( bool horizontally = true ) const;

include/wx/log.h

@@ -378,7 +378,7 @@ class WXDLLIMPEXP_BASE wxLogStderr : public wxLog
 {
 public:
     // redirect log output to a FILE
-    wxLogStderr(FILE *fp = (FILE *) NULL);
+    wxLogStderr(FILE *fp = NULL);
 
 protected:
     // implement sink function

include/wx/mediactrl.h

@@ -337,18 +337,18 @@ typedef void (wxEvtHandler::*wxMediaEventFunction)(wxMediaEvent&);
     wxEVENT_HANDLER_CAST(wxMediaEventFunction, func)
 
 //Macro for usage with message maps
-#define EVT_MEDIA_FINISHED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_FINISHED, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_FINISHED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_FINISHED, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
-#define EVT_MEDIA_STOP(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STOP, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_STOP(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STOP, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
 
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_LOADED, wxMediaEvent )
-#define EVT_MEDIA_LOADED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_LOADED, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_LOADED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_LOADED, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
 
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_STATECHANGED, wxMediaEvent )
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_PLAY, wxMediaEvent )
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_PAUSE, wxMediaEvent )
-#define EVT_MEDIA_STATECHANGED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STATECHANGED, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_STATECHANGED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STATECHANGED, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
-#define EVT_MEDIA_PLAY(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PLAY, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_PLAY(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PLAY, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
-#define EVT_MEDIA_PAUSE(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PAUSE, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_PAUSE(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PAUSE, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
 
 // ----------------------------------------------------------------------------
 // common backend base class used by many other backends

include/wx/menu.h

@@ -267,7 +267,7 @@ public:
     // Updates the UI for a menu and all submenus recursively. source is the
     // object that has the update event handlers defined for it. If NULL, the
     // menu or associated window will be used.
-    void UpdateUI(wxEvtHandler* source = (wxEvtHandler*)NULL);
+    void UpdateUI(wxEvtHandler* source = NULL);
 
     // get the menu bar this menu is attached to (may be NULL, always NULL for
     // popup menus).  Traverse up the menu hierarchy to find it.

include/wx/menuitem.h

@@ -39,12 +39,12 @@ class WXDLLIMPEXP_CORE wxMenuItemBase : public wxObject
 {
 public:
     // creation
-    static wxMenuItem *New(wxMenu *parentMenu = (wxMenu *)NULL,
+    static wxMenuItem *New(wxMenu *parentMenu = NULL,
                            int itemid = wxID_SEPARATOR,
                            const wxString& text = wxEmptyString,
                            const wxString& help = wxEmptyString,
                            wxItemKind kind = wxITEM_NORMAL,
-                           wxMenu *subMenu = (wxMenu *)NULL);
+                           wxMenu *subMenu = NULL);
 
     // destruction: wxMenuItem will delete its submenu
     virtual ~wxMenuItemBase();
@@ -138,7 +138,7 @@ public:
                            const wxString& text,
                            const wxString& help,
                            bool isCheckable,
-                           wxMenu *subMenu = (wxMenu *)NULL)
+                           wxMenu *subMenu = NULL)
     {
         return New(parentMenu, itemid, text, help,
                    isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu);
@@ -155,12 +155,12 @@ protected:
     bool          m_isEnabled;      // is enabled?
 
     // this ctor is for the derived classes only, we're never created directly
-    wxMenuItemBase(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItemBase(wxMenu *parentMenu = NULL,
                    int itemid = wxID_SEPARATOR,
                    const wxString& text = wxEmptyString,
                    const wxString& help = wxEmptyString,
                    wxItemKind kind = wxITEM_NORMAL,
-                   wxMenu *subMenu = (wxMenu *)NULL);
+                   wxMenu *subMenu = NULL);
 
 private:
     // and, if we have one ctor, compiler won't generate a default copy one, so

include/wx/mgl/bitmap.h

@@ -47,7 +47,7 @@ public:
 
     virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
 
-    virtual bool SaveFile(const wxString &name, wxBitmapType type, const wxPalette *palette = (wxPalette *) NULL) const;
+    virtual bool SaveFile(const wxString &name, wxBitmapType type, const wxPalette *palette = NULL) const;
     virtual bool LoadFile(const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE);
 
     virtual wxPalette *GetPalette() const;

include/wx/mgl/window.h

@@ -76,8 +76,8 @@ public:
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
+                               int *descent = NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 

include/wx/motif/bmpmotif.h

@@ -24,7 +24,7 @@ public:
         m_armPixmap = (WXPixmap)NULL;
         m_insensPixmap = (WXPixmap)NULL;
         m_image = (WXImage)NULL;
-        m_display = (WXDisplay*)NULL;
+        m_display = NULL;
         SetColoursChanged();
     }
 

include/wx/motif/menuitem.h

@@ -24,12 +24,12 @@ class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
 {
 public:
     // ctor & dtor
-    wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItem(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& text = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItem();
 
     // accessors (some more are inherited from wxOwnerDrawn or are below)

include/wx/motif/window.h

@@ -73,8 +73,8 @@ public:
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
         int *x, int *y,
-        int *descent = (int *) NULL,
+        int *descent = NULL,
-        int *externalLeading = (int *) NULL,
+        int *externalLeading = NULL,
         const wxFont *theFont = (const wxFont *) NULL)
         const;
 
@@ -85,7 +85,7 @@ public:
     virtual int GetScrollThumb( int orient ) const;
     virtual int GetScrollRange( int orient ) const;
     virtual void ScrollWindow( int dx, int dy,
-        const wxRect* rect = (wxRect *) NULL );
+        const wxRect* rect = NULL );
 
 #if wxUSE_DRAG_AND_DROP
     virtual void SetDropTarget( wxDropTarget *dropTarget );

include/wx/msw/dragimag.h

@@ -214,7 +214,7 @@ public:
 
     // Begin drag. hotspot is the location of the drag position relative to the upper-left
     // corner of the image.
-    bool BeginDrag(const wxPoint& hotspot, wxWindow* window, bool fullScreen = false, wxRect* rect = (wxRect*) NULL);
+    bool BeginDrag(const wxPoint& hotspot, wxWindow* window, bool fullScreen = false, wxRect* rect = NULL);
 
     // Begin drag. hotspot is the location of the drag position relative to the upper-left
     // corner of the image. This is full screen only. fullScreenRect gives the

include/wx/msw/enhmeta.h

@@ -37,7 +37,7 @@ public:
         { Free(); }
 
     // display the picture stored in the metafile on the given DC
-    bool Play(wxDC *dc, wxRect *rectBound = (wxRect *)NULL);
+    bool Play(wxDC *dc, wxRect *rectBound = NULL);
 
     // accessors
     virtual bool IsOk() const { return m_hMF != 0; }

include/wx/msw/menuitem.h

@@ -31,12 +31,12 @@ class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
 {
 public:
     // ctor & dtor
-    wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItem(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& name = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItem();
 
     // override base class virtuals

include/wx/msw/ole/activex.h

@@ -220,7 +220,7 @@ typedef void (wxEvtHandler::*wxActiveXEventFunction)(wxActiveXEvent&);
 #define wxActiveXEventHandler(func) \
     wxEVENT_HANDLER_CAST( wxActiveXEventFunction, func )
 
-#define EVT_ACTIVEX(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_ACTIVEX, id, -1, wxActiveXEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_ACTIVEX(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_ACTIVEX, id, -1, wxActiveXEventHandler( fn ), NULL ),
 
 #endif // wxUSE_ACTIVEX
 

include/wx/msw/ole/automtn.h

@@ -64,7 +64,7 @@ public:
         const wxVariant& arg5 = wxNullVariant, const wxVariant& arg6 = wxNullVariant);
 
     // Get/Put property
-    wxVariant GetProperty(const wxString& property, int noArgs = 0, wxVariant args[] = (wxVariant*) NULL) const;
+    wxVariant GetProperty(const wxString& property, int noArgs = 0, wxVariant args[] = NULL) const;
     wxVariant GetPropertyArray(const wxString& property, int noArgs, const wxVariant **args) const;
     wxVariant GetProperty(const wxString& property,
         const wxVariant& arg1, const wxVariant& arg2 = wxNullVariant,
@@ -87,7 +87,7 @@ public:
 
     // A way of initialising another wxAutomationObject with a dispatch object,
     // without having to deal with nasty IDispatch pointers.
-    bool GetObject(wxAutomationObject& obj, const wxString& property, int noArgs = 0, wxVariant args[] = (wxVariant*) NULL) const;
+    bool GetObject(wxAutomationObject& obj, const wxString& property, int noArgs = 0, wxVariant args[] = NULL) const;
     bool GetObject(wxAutomationObject& obj, const wxString& property, int noArgs, const wxVariant **args) const;
 
 public:

include/wx/msw/window.h

@@ -91,8 +91,8 @@ public:
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
+                               int *descent = NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 
@@ -103,7 +103,7 @@ public:
     virtual int GetScrollThumb( int orient ) const;
     virtual int GetScrollRange( int orient ) const;
     virtual void ScrollWindow( int dx, int dy,
-                               const wxRect* rect = (wxRect *) NULL );
+                               const wxRect* rect = NULL );
 
     virtual bool ScrollLines(int lines);
     virtual bool ScrollPages(int pages);

include/wx/os2/bitmap.h

@@ -184,12 +184,12 @@ public:
     void SetQuality(int nQ);
 
     wxPalette* GetPalette() const
-      { return (GetBitmapData() ? (& GetBitmapData()->m_vBitmapPalette) : (wxPalette*) NULL); }
+      { return (GetBitmapData() ? (& GetBitmapData()->m_vBitmapPalette) : NULL); }
 
     void       SetPalette(const wxPalette& rPalette);
 
     inline wxMask* GetMask() const
-      { return (GetBitmapData() ? GetBitmapData()->m_pBitmapMask : (wxMask*) NULL); }
+      { return (GetBitmapData() ? GetBitmapData()->m_pBitmapMask : NULL); }
 
     void SetMask(wxMask* pMask) ;
 
@@ -205,7 +205,7 @@ public:
       { if (GetBitmapData()) GetBitmapData()->m_pSelectedInto = pDc; }
 
     inline wxDC* GetSelectedInto() const
-      { return (GetBitmapData() ? GetBitmapData()->m_pSelectedInto : (wxDC*) NULL); }
+      { return (GetBitmapData() ? GetBitmapData()->m_pSelectedInto : NULL); }
 
     inline bool IsMono(void) const { return m_bIsMono; }
 

include/wx/os2/dataobj2.h

@@ -37,7 +37,7 @@ public:
     virtual bool SetData(size_t len, const void *buf);
 
 protected:
-    void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
+    void Init() { m_pngData = NULL; m_pngSize = 0; }
     void Clear() { free(m_pngData); }
     void ClearAll() { Clear(); Init(); }
 

include/wx/os2/dnd.h

@@ -62,7 +62,7 @@ protected:
 class WXDLLIMPEXP_CORE wxDropTarget : public wxDropTargetBase
 {
 public:
-    wxDropTarget(wxDataObject* pDataObject = (wxDataObject*)NULL);
+    wxDropTarget(wxDataObject* pDataObject = NULL);
     virtual ~wxDropTarget();
 
     //

include/wx/os2/menuitem.h

@@ -58,7 +58,7 @@ public:
                ,const wxString& rsText
                ,const wxString& rsHelp
                ,bool            bIsCheckable
-               ,wxMenu*         pSubMenu = (wxMenu *)NULL
+               ,wxMenu*         pSubMenu = NULL
               );
     virtual ~wxMenuItem();
 

include/wx/os2/treectrl.h

@@ -448,7 +448,7 @@ public:
     //
     // returns NULL for OS/2 in ALL cases
     //
-    wxTextCtrl* GetEditControl(void) const {return (wxTextCtrl*)NULL;}
+    wxTextCtrl* GetEditControl(void) const {return NULL;}
 
     //
     // End editing and accept or discard the changes to item label

include/wx/os2/window.h

@@ -101,8 +101,8 @@ public:
     virtual void     GetTextExtent( const wxString& rString
                                    ,int*            pX
                                    ,int*            pY
-                                   ,int*            pDescent = (int *)NULL
+                                   ,int*            pDescent = NULL
-                                   ,int*            pExternalLeading = (int *)NULL
+                                   ,int*            pExternalLeading = NULL
                                    ,const wxFont*   pTheFont = (const wxFont *)NULL
                                   ) const;
 #if wxUSE_MENUS_NATIVE
@@ -127,7 +127,7 @@ public:
     virtual int      GetScrollRange(int nOrient) const;
     virtual void     ScrollWindow( int           nDx
                                   ,int           nDy
-                                  ,const wxRect* pRect = (wxRect *)NULL
+                                  ,const wxRect* pRect = NULL
                                  );
 
     inline HWND                   GetScrollBarHorz(void) const {return m_hWndScrollBarHorz;}

include/wx/osx/dnd.h

@@ -49,7 +49,7 @@ class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase
 {
   public:
 
-    wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
+    wxDropTarget(wxDataObject *dataObject = NULL );
 
     virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
     virtual bool OnDrop(wxCoord x, wxCoord y);
@@ -74,7 +74,7 @@ public:
     //
     // NB: the "wxWindow *win" parameter is unused and is here only for wxGTK
     //     compatibility, as well as both icon parameters
-    wxDropSource( wxWindow *win = (wxWindow *)NULL,
+    wxDropSource( wxWindow *win = NULL,
                  const wxCursor &cursorCopy = wxNullCursor,
                  const wxCursor &cursorMove = wxNullCursor,
                  const wxCursor &cursorStop = wxNullCursor);

include/wx/osx/menuitem.h

@@ -29,12 +29,12 @@ class WXDLLIMPEXP_CORE wxMenuItem: public wxMenuItemBase
 {
 public:
     // ctor & dtor
-    wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItem(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& name = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItem();
 
     // override base class virtuals

include/wx/osx/treectrl.h

@@ -272,20 +272,20 @@ public:
 
 typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
 
-#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
 
 #endif
     // _WX_TREECTRL_H_

include/wx/osx/window.h

@@ -99,7 +99,7 @@ public:
     virtual int GetScrollThumb( int orient ) const;
     virtual int GetScrollRange( int orient ) const;
     virtual void ScrollWindow( int dx, int dy,
-                               const wxRect* rect = (wxRect *) NULL );
+                               const wxRect* rect = NULL );
     virtual void AlwaysShowScrollbars(bool horz = true, bool vert = true);
     virtual bool IsScrollbarAlwaysShown(int orient) const
     {

include/wx/palmos/dragimag.h

@@ -203,7 +203,7 @@ public:
 
     // Begin drag. hotspot is the location of the drag position relative to the upper-left
     // corner of the image.
-    bool BeginDrag(const wxPoint& hotspot, wxWindow* window, bool fullScreen = false, wxRect* rect = (wxRect*) NULL);
+    bool BeginDrag(const wxPoint& hotspot, wxWindow* window, bool fullScreen = false, wxRect* rect = NULL);
 
     // Begin drag. hotspot is the location of the drag position relative to the upper-left
     // corner of the image. This is full screen only. fullScreenRect gives the

include/wx/palmos/enhmeta.h

@@ -37,7 +37,7 @@ public:
         { Free(); }
 
     // display the picture stored in the metafile on the given DC
-    bool Play(wxDC *dc, wxRect *rectBound = (wxRect *)NULL);
+    bool Play(wxDC *dc, wxRect *rectBound = NULL);
 
     // accessors
     virtual bool IsOk() const { return m_hMF != 0; }

include/wx/palmos/glcanvas.h

@@ -63,17 +63,17 @@ public:
         const wxPalette& palette = wxNullPalette);
 
     wxGLCanvas(wxWindow *parent,
-        const wxGLContext *shared = (wxGLContext *) NULL,
+        const wxGLContext *shared = NULL,
         wxWindowID id = wxID_ANY,
         const wxPoint& pos = wxDefaultPosition,
         const wxSize& size = wxDefaultSize,
         long style = 0,
         const wxString& name = wxGLCanvasName,
-        int *attribList = (int *) NULL,
+        int *attribList = NULL,
         const wxPalette& palette = wxNullPalette);
 
     wxGLCanvas(wxWindow *parent,
-        const wxGLCanvas *shared = (wxGLCanvas *)NULL,
+        const wxGLCanvas *shared = NULL,
         wxWindowID id = wxID_ANY,
         const wxPoint& pos = wxDefaultPosition,
         const wxSize& size = wxDefaultSize,
@@ -110,7 +110,7 @@ public:
 
     inline WXHDC GetHDC() const { return m_hDC; }
 
-    void SetupPixelFormat(int *attribList = (int *) NULL);
+    void SetupPixelFormat(int *attribList = NULL);
 
     void SetupPalette(const wxPalette& palette);
 

include/wx/palmos/menuitem.h

@@ -31,12 +31,12 @@ class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
 {
 public:
     // ctor & dtor
-    wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItem(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& name = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItem();
 
     // override base class virtuals
@@ -62,7 +62,7 @@ public:
                const wxString& text,
                const wxString& help,
                bool isCheckable,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
 
 private:
     // common part of all ctors

include/wx/palmos/pen.h

@@ -111,13 +111,13 @@ public:
     wxPenCap GetCap() const { return (M_PENDATA ? M_PENDATA->m_cap : 0); };
     int GetDashes(wxDash **ptr) const
     {
-        *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
+        *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : NULL);
         return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
     }
-    wxDash* GetDash() const { return (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*)NULL); };
+    wxDash* GetDash() const { return (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : NULL); };
     inline int GetDashCount() const { return (M_PENDATA ? M_PENDATA->m_nbDash : 0); };
 
-    inline wxBitmap *GetStipple() const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL); };
+    inline wxBitmap *GetStipple() const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : NULL); };
 
     // Internal
     bool RealizeResource();

include/wx/palmos/window.h

@@ -81,8 +81,8 @@ public:
     virtual int GetCharWidth() const;
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
+                               int *descent = NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const;
 
@@ -97,7 +97,7 @@ public:
     virtual int GetScrollThumb( int orient ) const;
     virtual int GetScrollRange( int orient ) const;
     virtual void ScrollWindow( int dx, int dy,
-                               const wxRect* rect = (wxRect *) NULL );
+                               const wxRect* rect = NULL );
 
     virtual bool ScrollLines(int lines);
     virtual bool ScrollPages(int pages);

include/wx/prntbase.h

@@ -169,7 +169,7 @@ private:
 class WXDLLIMPEXP_CORE wxPrinterBase: public wxObject
 {
 public:
-    wxPrinterBase(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+    wxPrinterBase(wxPrintDialogData *data = NULL);
     virtual ~wxPrinterBase();
 
     virtual wxWindow *CreateAbortWindow(wxWindow *parent, wxPrintout *printout);
@@ -209,7 +209,7 @@ private:
 class WXDLLIMPEXP_CORE wxPrinter: public wxPrinterBase
 {
 public:
-    wxPrinter(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+    wxPrinter(wxPrintDialogData *data = NULL);
     virtual ~wxPrinter();
 
     virtual wxWindow *CreateAbortWindow(wxWindow *parent, wxPrintout *printout);
@@ -497,8 +497,8 @@ class WXDLLIMPEXP_CORE wxPrintPreviewBase: public wxObject
 {
 public:
     wxPrintPreviewBase(wxPrintout *printout,
-                       wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
+                       wxPrintout *printoutForPrinting = NULL,
-                       wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+                       wxPrintDialogData *data = NULL);
     wxPrintPreviewBase(wxPrintout *printout,
                        wxPrintout *printoutForPrinting,
                        wxPrintData *data);
@@ -608,8 +608,8 @@ class WXDLLIMPEXP_CORE wxPrintPreview: public wxPrintPreviewBase
 {
 public:
     wxPrintPreview(wxPrintout *printout,
-                   wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
+                   wxPrintout *printoutForPrinting = NULL,
-                   wxPrintDialogData *data = (wxPrintDialogData *) NULL);
+                   wxPrintDialogData *data = NULL);
     wxPrintPreview(wxPrintout *printout,
                    wxPrintout *printoutForPrinting,
                    wxPrintData *data);

include/wx/process.h

@@ -55,7 +55,7 @@ public:
 
 
     // ctors
-    wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, int nId = wxID_ANY)
+    wxProcess(wxEvtHandler *parent = NULL, int nId = wxID_ANY)
         { Init(parent, nId, wxPROCESS_DEFAULT); }
 
     wxProcess(int flags) { Init(NULL, wxID_ANY, flags); }

include/wx/propgrid/advprops.h

@@ -145,7 +145,7 @@ DECLARE_VARIANT_OBJECT_EXPORTED(wxColourPropertyValue, WXDLLIMPEXP_PROPGRID)
 #endif
 
 #ifndef SWIG
-    #define wxPG_EMPTY_CPV          (*((wxColourPropertyValue*)NULL))
+    #define wxPG_EMPTY_CPV          (*(NULL))
     #define wxPG_NORMAL_FONT        (*wxNORMAL_FONT)
 #else
     #define wxPG_EMPTY_CPV          wxCPV_wxPG_EMPTY

include/wx/propgrid/editors.h

@@ -214,7 +214,7 @@ wxString CLASSNAME::GetName() const \
 { \
     return wxS(#EDITOR); \
 } \
-wxPGEditor* wxPGEditor_##EDITOR = (wxPGEditor*) NULL;
+wxPGEditor* wxPGEditor_##EDITOR = NULL;
 
 
 //
@@ -434,7 +434,7 @@ public:
 // Editor class registeration macro (mostly for internal use)
 
 #define wxPGRegisterEditorClass(EDITOR) \
-    if ( wxPGEditor_##EDITOR == (wxPGEditor*) NULL ) \
+    if ( wxPGEditor_##EDITOR == NULL ) \
     { \
         wxPGEditor_##EDITOR = wxPropertyGrid::RegisterEditorClass( \
                 new wxPG##EDITOR##Editor ); \

include/wx/propgrid/propgrid.h

@@ -1926,15 +1926,15 @@ wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_PROPGRID, wxEVT_PG_DOUBLE_CLICK, wxPropert
 #ifndef SWIG
 typedef void (wxEvtHandler::*wxPropertyGridEventFunction)(wxPropertyGridEvent&);
 
-#define EVT_PG_SELECTED(id, fn)              DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_SELECTED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_SELECTED(id, fn)              DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_SELECTED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_CHANGING(id, fn)              DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_CHANGING, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_CHANGING(id, fn)              DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_CHANGING, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_CHANGED(id, fn)               DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_CHANGED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_CHANGED(id, fn)               DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_CHANGED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_HIGHLIGHTED(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_HIGHLIGHTED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_HIGHLIGHTED(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_HIGHLIGHTED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_RIGHT_CLICK(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_RIGHT_CLICK, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_RIGHT_CLICK(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_RIGHT_CLICK, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_DOUBLE_CLICK(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_DOUBLE_CLICK, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_DOUBLE_CLICK(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_DOUBLE_CLICK, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_PAGE_CHANGED(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_PAGE_CHANGED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_PAGE_CHANGED(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_PAGE_CHANGED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_ITEM_COLLAPSED(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_ITEM_COLLAPSED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_ITEM_COLLAPSED(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_ITEM_COLLAPSED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
-#define EVT_PG_ITEM_EXPANDED(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_ITEM_EXPANDED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), (wxObject *) NULL ),
+#define EVT_PG_ITEM_EXPANDED(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_PG_ITEM_EXPANDED, id, -1, wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn ), NULL ),
 
 #define wxPropertyGridEventHandler(fn) \
     wxEVENT_HANDLER_CAST( wxPropertyGridEventFunction, fn )

include/wx/propgrid/propgridiface.h

@@ -76,7 +76,7 @@ public:
     /** This constructor is required for NULL. */
     wxPGPropArgCls( int )
     {
-        m_ptr.property = (wxPGProperty*) NULL;
+        m_ptr.property = NULL;
         m_flags = IsProperty;
     }
     wxPGProperty* GetPtr( wxPropertyGridInterface* iface ) const;

include/wx/propgrid/props.h

@@ -41,7 +41,7 @@ WX_PG_IMPLEMENT_PROPERTY_CLASS_PLAIN(NAME, T, EDITOR)
 //
 // These macros help creating DoGetValidator
 #define WX_PG_DOGETVALIDATOR_ENTRY() \
-    static wxValidator* s_ptr = (wxValidator*) NULL; \
+    static wxValidator* s_ptr = NULL; \
     if ( s_ptr ) return s_ptr;
 
 // Common function exit
@@ -850,7 +850,7 @@ WX_PG_IMPLEMENT_ARRAYSTRING_PROPERTY_WITH_VALIDATOR(PROPNAME, \
                                                     DELIMCHAR, \
                                                     CUSTBUTTXT) \
 wxValidator* PROPNAME::DoGetValidator () const \
-{ return (wxValidator*) NULL; }
+{ return NULL; }
 
 
 // -----------------------------------------------------------------------
@@ -907,7 +907,7 @@ public:
     */
     virtual wxValidator* GetTextCtrlValidator() const
     {
-        return (wxValidator*) NULL;
+        return NULL;
     }
 
     // Returns true if array was actually modified

include/wx/richtext/richtextbuffer.h

@@ -1905,7 +1905,7 @@ class WXDLLIMPEXP_RICHTEXT wxRichTextBufferDataObject: public wxDataObjectSimple
 public:
     // ctor doesn't copy the pointer, so it shouldn't go away while this object
     // is alive
-    wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer = (wxRichTextBuffer*) NULL);
+    wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer = NULL);
     virtual ~wxRichTextBufferDataObject();
 
     // after a call to this function, the buffer is owned by the caller and it

include/wx/stc/stc.h

@@ -4026,34 +4026,34 @@ typedef void (wxEvtHandler::*wxStyledTextEventFunction)(wxStyledTextEvent&);
 #define wxStyledTextEventHandler( func ) \
     wxEVENT_HANDLER_CAST( wxStyledTextEventFunction, func )
 
-#define EVT_STC_CHANGE(id, fn)             DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_CHANGE,                id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_CHANGE(id, fn)             DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_CHANGE,                id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_STYLENEEDED(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_STYLENEEDED,           id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_STYLENEEDED(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_STYLENEEDED,           id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_CHARADDED(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_CHARADDED,             id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_CHARADDED(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_CHARADDED,             id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_SAVEPOINTREACHED(id, fn)   DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_SAVEPOINTREACHED,      id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_SAVEPOINTREACHED(id, fn)   DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_SAVEPOINTREACHED,      id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_SAVEPOINTLEFT(id, fn)      DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_SAVEPOINTLEFT,         id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_SAVEPOINTLEFT(id, fn)      DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_SAVEPOINTLEFT,         id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_ROMODIFYATTEMPT(id, fn)    DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_ROMODIFYATTEMPT,       id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_ROMODIFYATTEMPT(id, fn)    DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_ROMODIFYATTEMPT,       id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_KEY(id, fn)                DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_KEY,                   id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_KEY(id, fn)                DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_KEY,                   id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_DOUBLECLICK(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DOUBLECLICK,           id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_DOUBLECLICK(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DOUBLECLICK,           id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_UPDATEUI(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_UPDATEUI,              id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_UPDATEUI(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_UPDATEUI,              id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_MODIFIED(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_MODIFIED,              id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_MODIFIED(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_MODIFIED,              id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_MACRORECORD(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_MACRORECORD,           id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_MACRORECORD(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_MACRORECORD,           id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_MARGINCLICK(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_MARGINCLICK,           id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_MARGINCLICK(id, fn)        DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_MARGINCLICK,           id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_NEEDSHOWN(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_NEEDSHOWN,             id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_NEEDSHOWN(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_NEEDSHOWN,             id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_PAINTED(id, fn)            DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_PAINTED,               id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_PAINTED(id, fn)            DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_PAINTED,               id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_USERLISTSELECTION(id, fn)  DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_USERLISTSELECTION,     id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_USERLISTSELECTION(id, fn)  DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_USERLISTSELECTION,     id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_URIDROPPED(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_URIDROPPED,            id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_URIDROPPED(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_URIDROPPED,            id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_DWELLSTART(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DWELLSTART,            id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_DWELLSTART(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DWELLSTART,            id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_DWELLEND(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DWELLEND,              id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_DWELLEND(id, fn)           DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DWELLEND,              id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_START_DRAG(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_START_DRAG,            id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_START_DRAG(id, fn)         DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_START_DRAG,            id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_DRAG_OVER(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DRAG_OVER,             id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_DRAG_OVER(id, fn)          DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DRAG_OVER,             id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_DO_DROP(id, fn)            DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DO_DROP,               id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_DO_DROP(id, fn)            DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_DO_DROP,               id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_ZOOM(id, fn)               DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_ZOOM,                  id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_ZOOM(id, fn)               DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_ZOOM,                  id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_HOTSPOT_CLICK(id, fn)      DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_HOTSPOT_CLICK,         id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_HOTSPOT_CLICK(id, fn)      DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_HOTSPOT_CLICK,         id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_HOTSPOT_DCLICK(id, fn)     DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_HOTSPOT_DCLICK,        id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_HOTSPOT_DCLICK(id, fn)     DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_HOTSPOT_DCLICK,        id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_CALLTIP_CLICK(id, fn)      DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_CALLTIP_CLICK          id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_CALLTIP_CLICK(id, fn)      DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_CALLTIP_CLICK          id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_AUTOCOMP_SELECTION(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_AUTOCOMP_SELECTION     id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_AUTOCOMP_SELECTION(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_AUTOCOMP_SELECTION     id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_INDICATOR_CLICK(id, fn)    DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_INDICATOR_CLICK        id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_INDICATOR_CLICK(id, fn)    DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_INDICATOR_CLICK        id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
-#define EVT_STC_INDICATOR_RELEASE(id, fn)  DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_INDICATOR_RELEASE      id, wxID_ANY, wxStyledTextEventHandler( fn ), (wxObject *) NULL ),
+#define EVT_STC_INDICATOR_RELEASE(id, fn)  DECLARE_EVENT_TABLE_ENTRY( wxEVT_STC_INDICATOR_RELEASE      id, wxID_ANY, wxStyledTextEventHandler( fn ), NULL ),
 
 #endif
 

include/wx/tbarbase.h

@@ -60,13 +60,13 @@ public:
     // ctors & dtor
     // ------------
 
-    wxToolBarToolBase(wxToolBarBase *tbar = (wxToolBarBase *)NULL,
+    wxToolBarToolBase(wxToolBarBase *tbar = NULL,
                       int toolid = wxID_SEPARATOR,
                       const wxString& label = wxEmptyString,
                       const wxBitmap& bmpNormal = wxNullBitmap,
                       const wxBitmap& bmpDisabled = wxNullBitmap,
                       wxItemKind kind = wxITEM_NORMAL,
-                      wxObject *clientData = (wxObject *) NULL,
+                      wxObject *clientData = NULL,
                       const wxString& shortHelpString = wxEmptyString,
                       const wxString& longHelpString = wxEmptyString)
         : m_label(label),
@@ -197,7 +197,7 @@ public:
     }
 
     // add tool to/remove it from a toolbar
-    virtual void Detach() { m_tbar = (wxToolBarBase *)NULL; }
+    virtual void Detach() { m_tbar = NULL; }
     virtual void Attach(wxToolBarBase *tbar) { m_tbar = tbar; }
 
     // these methods are only for tools of wxITEM_DROPDOWN kind (but even such

include/wx/thread.h

@@ -506,7 +506,7 @@ public:
         // does it!
         //
         // will fill the rc pointer with the thread exit code if it's !NULL
-    wxThreadError Delete(ExitCode *rc = (ExitCode *)NULL);
+    wxThreadError Delete(ExitCode *rc = NULL);
 
         // waits for a joinable thread to finish and returns its exit code
         //

include/wx/univ/choice.h

@@ -41,7 +41,7 @@ public:
     bool Create(wxWindow *parent, wxWindowID id,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
-                int n = 0, const wxString choices[] = (wxString *) NULL,
+                int n = 0, const wxString choices[] = NULL,
                 long style = 0,
                 const wxValidator& validator = wxDefaultValidator,
                 const wxString& name = wxChoiceNameStr);

include/wx/univ/menuitem.h

@@ -20,12 +20,12 @@ class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
 {
 public:
     // ctor & dtor
-    wxMenuItem(wxMenu *parentMenu = (wxMenu *)NULL,
+    wxMenuItem(wxMenu *parentMenu = NULL,
                int id = wxID_SEPARATOR,
                const wxString& name = wxEmptyString,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL,
-               wxMenu *subMenu = (wxMenu *)NULL);
+               wxMenu *subMenu = NULL);
     virtual ~wxMenuItem();
 
     // override base class virtuals to update the item appearance on screen

include/wx/univ/renderer.h

@@ -117,7 +117,7 @@ public:
                             wxBorder border,
                             const wxRect& rect,
                             int flags = 0,
-                            wxRect *rectIn = (wxRect *)NULL) = 0;
+                            wxRect *rectIn = NULL) = 0;
 
     // draw text control border (I hate to have a separate method for this but
     // it is needed to accommodate GTK+)
@@ -125,13 +125,13 @@ public:
                                 wxBorder border,
                                 const wxRect& rect,
                                 int flags = 0,
-                                wxRect *rectIn = (wxRect *)NULL) = 0;
+                                wxRect *rectIn = NULL) = 0;
 
     // draw push button border and return the rectangle left for the label
     virtual void DrawButtonBorder(wxDC& dc,
                                   const wxRect& rect,
                                   int flags = 0,
-                                  wxRect *rectIn = (wxRect *)NULL) = 0;
+                                  wxRect *rectIn = NULL) = 0;
 
     // draw a horizontal line
     virtual void DrawHorizontalLine(wxDC& dc,
@@ -534,18 +534,18 @@ public:
                             wxBorder border,
                             const wxRect& rect,
                             int flags = 0,
-                            wxRect *rectIn = (wxRect *)NULL)
+                            wxRect *rectIn = NULL)
         { m_renderer->DrawBorder(dc, border, rect, flags, rectIn); }
     virtual void DrawTextBorder(wxDC& dc,
                                 wxBorder border,
                                 const wxRect& rect,
                                 int flags = 0,
-                                wxRect *rectIn = (wxRect *)NULL)
+                                wxRect *rectIn = NULL)
         { m_renderer->DrawTextBorder(dc, border, rect, flags, rectIn); }
     virtual void DrawButtonBorder(wxDC& dc,
                                   const wxRect& rect,
                                   int flags = 0,
-                                  wxRect *rectIn = (wxRect *)NULL)
+                                  wxRect *rectIn = NULL)
         { m_renderer->DrawButtonBorder(dc, rect, flags, rectIn); }
     virtual void DrawFrame(wxDC& dc,
                            const wxString& label,

include/wx/univ/window.h

@@ -102,7 +102,7 @@ public:
     virtual int GetScrollThumb(int orient) const;
     virtual int GetScrollRange(int orient) const;
     virtual void ScrollWindow(int dx, int dy,
-                              const wxRect* rect = (wxRect *) NULL);
+                              const wxRect* rect = NULL);
 
     // take into account the borders here
     virtual wxPoint GetClientAreaOrigin() const;

include/wx/unix/fontutil.h

@@ -29,7 +29,7 @@ wxLoadQueryNearestFont(int pointSize,
                        bool underlined,
                        const wxString &facename,
                        wxFontEncoding encoding,
-                       wxString* xFontName = (wxString *)NULL);
+                       wxString* xFontName = NULL);
 
 // returns the font specified by the given XLFD
 extern wxNativeFont wxLoadFont(const wxString& fontSpec);

include/wx/utils.h

@@ -107,8 +107,8 @@ WXDLLIMPEXP_CORE void wxInfoMessageBox(wxWindow* parent);
 WXDLLIMPEXP_BASE wxString wxGetOsDescription();
 
 // Get OS version
-WXDLLIMPEXP_BASE wxOperatingSystemId wxGetOsVersion(int *majorVsn = (int *) NULL,
+WXDLLIMPEXP_BASE wxOperatingSystemId wxGetOsVersion(int *majorVsn = NULL,
-                                                    int *minorVsn = (int *) NULL);
+                                                    int *minorVsn = NULL);
 
 // Get platform endianness
 WXDLLIMPEXP_BASE bool wxIsPlatformLittleEndian();
@@ -587,12 +587,12 @@ WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPoint(const wxPoint& pt);
 // Find the window/widget with the given title or label.
 // Pass a parent to begin the search from, or NULL to look through
 // all windows.
-WXDLLIMPEXP_CORE wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = (wxWindow *) NULL);
+WXDLLIMPEXP_CORE wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = NULL);
 
 // NB: this function is obsolete, use wxWindow::FindWindowByName() instead
 //
 // Find window by name, and if that fails, by label.
-WXDLLIMPEXP_CORE wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = (wxWindow *) NULL);
+WXDLLIMPEXP_CORE wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = NULL);
 
 // ----------------------------------------------------------------------------
 // Message/event queue helpers

include/wx/validate.h

@@ -44,7 +44,7 @@ public:
     // Another possibility is to always pass a pointer to a new validator
     // (so the calling code can use a copy constructor of the relevant class).
     virtual wxObject *Clone() const
-        { return (wxValidator *)NULL; }
+        { return NULL; }
     bool Copy(const wxValidator& val)
         { m_validatorWindow = val.m_validatorWindow; return true; }
 
@@ -87,7 +87,7 @@ extern WXDLLIMPEXP_DATA_CORE(const wxValidator) wxDefaultValidator;
     // a wxValidator parameter to avoid using "#if wxUSE_VALIDATORS"
     // everywhere
     class WXDLLIMPEXP_FWD_CORE wxValidator;
-    #define wxDefaultValidator (*((wxValidator *)NULL))
+    #define wxDefaultValidator (*(NULL))
 
     // this macro allows to avoid warnings about unused parameters when
     // wxUSE_VALIDATORS == 0

include/wx/window.h

@@ -1037,8 +1037,8 @@ public:
         // font
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
+                               int *descent = NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const = 0;
 
@@ -1141,7 +1141,7 @@ public:
 
         // scroll window to the specified position
     virtual void ScrollWindow( int dx, int dy,
-                               const wxRect* rect = (wxRect *) NULL ) = 0;
+                               const wxRect* rect = NULL ) = 0;
 
         // scrolls window by line/page: note that not all controls support this
         //
@@ -1791,7 +1791,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
 
 inline wxWindow *wxWindowBase::GetGrandParent() const
 {
-    return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
+    return m_parent ? m_parent->GetParent() : NULL;
 }
 
 // ----------------------------------------------------------------------------

include/wx/wizard.h

@@ -126,16 +126,16 @@ public:
 
     // ctor takes the previous and next pages
     wxWizardPageSimple(wxWizard *parent,
-                       wxWizardPage *prev = (wxWizardPage *)NULL,
+                       wxWizardPage *prev = NULL,
-                       wxWizardPage *next = (wxWizardPage *)NULL,
+                       wxWizardPage *next = NULL,
                        const wxBitmap& bitmap = wxNullBitmap)
     {
         Create(parent, prev, next, bitmap);
     }
 
     bool Create(wxWizard *parent = NULL, // let it be default ctor too
-                wxWizardPage *prev = (wxWizardPage *)NULL,
+                wxWizardPage *prev = NULL,
-                wxWizardPage *next = (wxWizardPage *)NULL,
+                wxWizardPage *next = NULL,
                 const wxBitmap& bitmap = wxNullBitmap)
     {
         m_prev = prev;

include/wx/x11/bitmap.h

@@ -105,7 +105,7 @@ public:
 
     wxBitmap GetSubBitmap( const wxRect& rect ) const;
 
-    bool SaveFile( const wxString &name, wxBitmapType type, const wxPalette *palette = (wxPalette *) NULL ) const;
+    bool SaveFile( const wxString &name, wxBitmapType type, const wxPalette *palette = NULL ) const;
     bool LoadFile( const wxString &name, wxBitmapType type = wxBITMAP_DEFAULT_TYPE );
 
     wxPalette *GetPalette() const;