Source cleaning: -1/wxID_ANY/wxDefaultCoord, !!/!IsEmpty(), TRUE/true, FALSE/false, whitespaces, tabs.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29014 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/radiobox.h

@@ -85,14 +85,14 @@ public:
     virtual int GetCount() const;
     virtual wxString GetString(int n) const;
     virtual void SetString(int n, const wxString& label);
-    virtual void Enable(int n, bool enable = TRUE);
+    virtual void Enable(int n, bool enable = true);
-    virtual void Show(int n, bool show = TRUE);
+    virtual void Show(int n, bool show = true);
     virtual int GetColumnCount() const;
     virtual int GetRowCount() const;
 
-    virtual bool Show(bool show = TRUE);
+    virtual bool Show(bool show = true);
     void SetFocus();
-    virtual bool Enable(bool enable = TRUE);
+    virtual bool Enable(bool enable = true);
     void SetLabelFont(const wxFont& WXUNUSED(font)) {};
     void SetButtonFont(const wxFont& font) { SetFont(font); }
 

include/wx/msw/regconf.h

@@ -62,17 +62,17 @@ public:
 
     // get number of entries/subgroups in the current group, with or without
     // it's subgroups
-  virtual size_t GetNumberOfEntries(bool bRecursive = FALSE) const;
+  virtual size_t GetNumberOfEntries(bool bRecursive = false) const;
-  virtual size_t GetNumberOfGroups(bool bRecursive = FALSE) const;
+  virtual size_t GetNumberOfGroups(bool bRecursive = false) const;
 
-  virtual bool Flush(bool WXUNUSED(bCurrentOnly) = FALSE) { return TRUE; }
+  virtual bool Flush(bool WXUNUSED(bCurrentOnly) = false) { return true; }
 
   // rename
   virtual bool RenameEntry(const wxString& oldName, const wxString& newName);
   virtual bool RenameGroup(const wxString& oldName, const wxString& newName);
 
   // delete
-  virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso = TRUE);
+  virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso = true);
   virtual bool DeleteGroup(const wxString& key);
   virtual bool DeleteAll();
 

include/wx/msw/registry.h

@@ -121,7 +121,7 @@ public:
 
   // get infomation about the key
     // get the (full) key name. Abbreviate std root keys if bShortPrefix.
-  wxString GetName(bool bShortPrefix = TRUE) const;
+  wxString GetName(bool bShortPrefix = true) const;
     // return true if the key exists
   bool  Exists() const;
     // get the info about key (any number of these pointers may be NULL)
@@ -139,7 +139,7 @@ public:
     // which need the key to be opened if the key is not opened yet)
   bool  Open(AccessMode mode = Write);
     // create the key: will fail if the key already exists and !bOkIfExists
-  bool  Create(bool bOkIfExists = TRUE);
+  bool  Create(bool bOkIfExists = true);
     // rename a value from old name to new one
   bool  RenameValue(const wxChar *szValueOld, const wxChar *szValueNew);
     // rename the key
@@ -166,7 +166,7 @@ public:
   // access to values and subkeys
     // get value type
   ValueType GetValueType(const wxChar *szValue) const;
-    // returns TRUE if the value contains a number (else it's some string)
+    // returns true if the value contains a number (else it's some string)
   bool IsNumericValue(const wxChar *szValue) const;
 
     // assignment operators set the default value of the key
@@ -185,10 +185,10 @@ public:
   bool  SetValue(const wxChar *szValue, const wxString& strValue);
     // retrieve the string value
   bool  QueryValue(const wxChar *szValue, wxString& strValue) const
-    { return QueryValue(szValue, strValue, FALSE); }
+    { return QueryValue(szValue, strValue, false); }
     // retrieve raw string value
   bool  QueryRawValue(const wxChar *szValue, wxString& strValue) const
-    { return QueryValue(szValue, strValue, TRUE); }
+    { return QueryValue(szValue, strValue, true); }
     // retrieve either raw or expanded string value
   bool  QueryValue(const wxChar *szValue, wxString& strValue, bool raw) const;
 

src/msw/radiobox.cpp

@@ -202,9 +202,9 @@ bool wxRadioBox::MSWCommand(WXUINT cmd, WXWORD id)
     if ( cmd == BN_CLICKED )
     {
         if (id == GetId())
-            return TRUE;
+            return true;
 
-        int selectedButton = -1;
+        int selectedButton = wxID_ANY;
 
         for ( int i = 0; i < m_noItems; i++ )
         {
@@ -216,13 +216,13 @@ bool wxRadioBox::MSWCommand(WXUINT cmd, WXWORD id)
             }
         }
 
-        if ( selectedButton == -1 )
+        if ( selectedButton == wxID_ANY )
         {
             // just ignore it - due to a hack with WM_NCHITTEST handling in our
             // wnd proc, we can receive dummy click messages when we click near
             // the radiobox edge (this is ugly but Julian wouldn't let me get
             // rid of this...)
-            return FALSE;
+            return false;
         }
 
         if ( selectedButton != m_selectedButton )
@@ -233,16 +233,16 @@ bool wxRadioBox::MSWCommand(WXUINT cmd, WXWORD id)
         }
         //else: don't generate events when the selection doesn't change
 
-        return TRUE;
+        return true;
     }
     else
-        return FALSE;
+        return false;
 }
 
 // Radio box item
 wxRadioBox::wxRadioBox()
 {
-    m_selectedButton = -1;
+    m_selectedButton = wxID_ANY;
     m_noItems = 0;
     m_noRowsOrCols = 0;
     m_radioButtons = NULL;
@@ -264,7 +264,7 @@ bool wxRadioBox::Create(wxWindow *parent,
                         const wxString& name)
 {
     // initialize members
-    m_selectedButton = -1;
+    m_selectedButton = wxID_ANY;
     m_noItems = 0;
 
     m_majorDim = majorDim == 0 ? n : majorDim;
@@ -272,12 +272,12 @@ bool wxRadioBox::Create(wxWindow *parent,
 
     // common initialization
     if ( !CreateControl(parent, id, pos, size, style, val, name) )
-        return FALSE;
+        return false;
 
     // create the static box
     if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX | WS_GROUP,
                            pos, size, title, 0) )
-        return FALSE;
+        return false;
 
     // and now create the buttons
     m_noItems = n;
@@ -303,7 +303,7 @@ bool wxRadioBox::Create(wxWindow *parent,
     for ( int i = 0; i < n; i++ )
     {
         m_radioWidth[i] =
-        m_radioHeight[i] = -1;
+        m_radioHeight[i] = wxDefaultCoord;
         long styleBtn = BS_AUTORADIOBUTTON | WS_TABSTOP | WS_CHILD | WS_VISIBLE;
         if ( i == 0 && style == 0 )
             styleBtn |= WS_GROUP;
@@ -323,7 +323,7 @@ bool wxRadioBox::Create(wxWindow *parent,
         {
             wxLogLastError(wxT("CreateWindow(radio btn)"));
 
-            return FALSE;
+            return false;
         }
 
         m_radioButtons[i] = (WXHWND)hwndBtn;
@@ -356,7 +356,7 @@ bool wxRadioBox::Create(wxWindow *parent,
     // Now that we have items determine what is the best size and set it.
     SetBestSize(size);
 
-    return TRUE;
+    return true;
 }
 
 bool wxRadioBox::Create(wxWindow *parent,
@@ -377,7 +377,7 @@ bool wxRadioBox::Create(wxWindow *parent,
 
 wxRadioBox::~wxRadioBox()
 {
-    m_isBeingDeleted = TRUE;
+    m_isBeingDeleted = true;
 
     if (m_radioButtons)
     {
@@ -398,7 +398,7 @@ void wxRadioBox::SetString(int item, const wxString& label)
 {
     wxCHECK_RET( item >= 0 && item < m_noItems, wxT("invalid radiobox index") );
 
-    m_radioWidth[item] = m_radioHeight[item] = -1;
+    m_radioWidth[item] = m_radioHeight[item] = wxDefaultCoord;
     SetWindowText((HWND)m_radioButtons[item], label.c_str());
 }
 
@@ -516,9 +516,9 @@ void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     int xx = x;
     int yy = y;
 
-    if (x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+    if (x == wxDefaultCoord && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
         xx = currentX;
-    if (y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+    if (y == wxDefaultCoord && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
         yy = currentY;
 
 #if RADIOBTN_PARENT_IS_RADIOBOX
@@ -543,7 +543,7 @@ void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
         totHeight = totSize.y;
 
     // only change our width/height if asked for
-    if ( width == -1 )
+    if ( width == wxDefaultCoord )
     {
         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
             width = totWidth;
@@ -551,7 +551,7 @@ void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
             width = widthOld;
     }
 
-    if ( height == -1 )
+    if ( height == wxDefaultCoord )
     {
         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
             height = totHeight;
@@ -659,8 +659,7 @@ void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 
 void wxRadioBox::GetSize(int *width, int *height) const
 {
-    RECT rect;
+    RECT rect = { -1, -1, -1, -1 };
-    rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
 
     if (m_hWnd)
         wxFindMaxSize(m_hWnd, &rect);
@@ -712,7 +711,7 @@ void wxRadioBox::SetFocus()
 {
     if (m_noItems > 0)
     {
-        ::SetFocus((HWND)m_radioButtons[m_selectedButton == -1
+        ::SetFocus((HWND)m_radioButtons[m_selectedButton == wxID_ANY
                                             ? 0
                                             : m_selectedButton]);
     }
@@ -722,7 +721,7 @@ void wxRadioBox::SetFocus()
 bool wxRadioBox::Show(bool show)
 {
     if ( !wxControl::Show(show) )
-        return FALSE;
+        return false;
 
     int nCmdShow = show ? SW_SHOW : SW_HIDE;
     for ( int i = 0; i < m_noItems; i++ )
@@ -730,7 +729,7 @@ bool wxRadioBox::Show(bool show)
         ::ShowWindow((HWND)m_radioButtons[i], nCmdShow);
     }
 
-    return TRUE;
+    return true;
 }
 
 // Enable a specific button
@@ -746,12 +745,12 @@ void wxRadioBox::Enable(int item, bool enable)
 bool wxRadioBox::Enable(bool enable)
 {
     if ( !wxControl::Enable(enable) )
-        return FALSE;
+        return false;
 
     for (int i = 0; i < m_noItems; i++)
         ::EnableWindow((HWND) m_radioButtons[i], enable);
 
-    return TRUE;
+    return true;
 }
 
 // Show a specific button
@@ -769,10 +768,10 @@ bool wxRadioBox::ContainsHWND(WXHWND hWnd) const
     for ( size_t i = 0; i < count; i++ )
     {
         if ( GetRadioButtons()[i] == hWnd )
-            return TRUE;
+            return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 void wxRadioBox::Command(wxCommandEvent & event)
@@ -809,7 +808,7 @@ bool wxRadioBox::SetFont(const wxFont& font)
     if ( !wxControl::SetFont(font) )
     {
         // nothing to do
-        return FALSE;
+        return false;
     }
 
     // also set the font of our radio buttons
@@ -823,7 +822,7 @@ bool wxRadioBox::SetFont(const wxFont& font)
         ::InvalidateRect(hwndBtn, NULL, FALSE /* don't erase bg */);
     }
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -963,7 +962,7 @@ LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd,
 
                 wxCHECK_MSG( radiobox, 0, wxT("radio button without radio box?") );
 
-                bool processed = TRUE;
+                bool processed = true;
 
                 wxDirection dir;
                 switch ( wParam )
@@ -985,7 +984,7 @@ LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd,
                         break;
 
                     default:
-                        processed = FALSE;
+                        processed = false;
 
                         // just to suppress the compiler warning
                         dir = wxALL;
@@ -1050,7 +1049,7 @@ LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd,
 #endif
                 {
                     wxWindow* subjectOfHelp = radiobox;
-                    bool eventProcessed = FALSE;
+                    bool eventProcessed = false;
                     while (subjectOfHelp && !eventProcessed)
                     {
                         wxHelpEvent helpEvent(wxEVT_HELP, subjectOfHelp->GetId(),

src/msw/regconf.cpp

@@ -423,7 +423,7 @@ bool wxRegConfig::GetNextGroup(wxString& str, long& lIndex) const
     while ( m_keyGlobal.GetNextKey(str, lIndex) ) {
       if ( !m_keyLocal.Exists() || !LocalKey().HasSubKey(str) ) {
         // ok, found one - return it
-        return TRUE;
+        return true;
       }
     }
 
@@ -433,7 +433,7 @@ bool wxRegConfig::GetNextGroup(wxString& str, long& lIndex) const
 
   // if we don't have the key at all, don't try to enumerate anything under it
   if ( !m_keyLocal.Exists() )
-      return FALSE;
+      return false;
 
   // much easier with local entries: get the next one we find
   // (don't forget to clear our flag bit and set it again later)
@@ -458,7 +458,7 @@ bool wxRegConfig::GetNextEntry(wxString& str, long& lIndex) const
     while ( m_keyGlobal.GetNextValue(str, lIndex) ) {
       if ( !m_keyLocal.Exists() || !LocalKey().HasValue(str) ) {
         // ok, found one - return it
-        return TRUE;
+        return true;
       }
     }
 
@@ -468,7 +468,7 @@ bool wxRegConfig::GetNextEntry(wxString& str, long& lIndex) const
 
   // if we don't have the key at all, don't try to enumerate anything under it
   if ( !m_keyLocal.Exists() )
-      return FALSE;
+      return false;
 
   // much easier with local entries: get the next one we find
   // (don't forget to clear our flag bit and set it again later)
@@ -560,11 +560,11 @@ wxConfigBase::EntryType wxRegConfig::GetEntryType(const wxString& key) const
 
 bool wxRegConfig::DoReadString(const wxString& key, wxString *pStr) const
 {
-    wxCHECK_MSG( pStr, FALSE, _T("wxRegConfig::Read(): NULL param") );
+    wxCHECK_MSG( pStr, false, _T("wxRegConfig::Read(): NULL param") );
 
   wxConfigPathChanger path(this, key);
 
-  bool bQueryGlobal = TRUE;
+  bool bQueryGlobal = true;
 
   // if immutable key exists in global key we must check that it's not
   // overriden by the local key with the same name
@@ -575,21 +575,21 @@ bool wxRegConfig::DoReadString(const wxString& key, wxString *pStr) const
                    path.Name().c_str());
       }
 
-      return TRUE;
+      return true;
     }
     else {
       // don't waste time - it's not there anyhow
-      bQueryGlobal = FALSE;
+      bQueryGlobal = false;
     }
   }
 
   // first try local key
   if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), *pStr)) ||
        (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *pStr)) ) {
-    return TRUE;
+    return true;
   }
 
-  return FALSE;
+  return false;
 }
 
 // this exactly reproduces the string version above except for ExpandEnvVars(),
@@ -597,11 +597,11 @@ bool wxRegConfig::DoReadString(const wxString& key, wxString *pStr) const
 
 bool wxRegConfig::DoReadLong(const wxString& key, long *plResult) const
 {
-    wxCHECK_MSG( plResult, FALSE, _T("wxRegConfig::Read(): NULL param") );
+    wxCHECK_MSG( plResult, false, _T("wxRegConfig::Read(): NULL param") );
 
   wxConfigPathChanger path(this, key);
 
-  bool bQueryGlobal = TRUE;
+  bool bQueryGlobal = true;
 
   // if immutable key exists in global key we must check that it's not
   // overriden by the local key with the same name
@@ -612,21 +612,21 @@ bool wxRegConfig::DoReadLong(const wxString& key, long *plResult) const
                      path.Name().c_str());
       }
 
-      return TRUE;
+      return true;
     }
     else {
       // don't waste time - it's not there anyhow
-      bQueryGlobal = FALSE;
+      bQueryGlobal = false;
     }
   }
 
   // first try local key
   if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), plResult)) ||
        (bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), plResult)) ) {
-    return TRUE;
+    return true;
   }
 
-  return FALSE;
+  return false;
 }
 
 bool wxRegConfig::DoWriteString(const wxString& key, const wxString& szValue)
@@ -635,7 +635,7 @@ bool wxRegConfig::DoWriteString(const wxString& key, const wxString& szValue)
 
   if ( IsImmutable(path.Name()) ) {
     wxLogError(wxT("Can't change immutable entry '%s'."), path.Name().c_str());
-    return FALSE;
+    return false;
   }
 
   return LocalKey().SetValue(path.Name(), szValue);
@@ -647,7 +647,7 @@ bool wxRegConfig::DoWriteLong(const wxString& key, long lValue)
 
   if ( IsImmutable(path.Name()) ) {
     wxLogError(wxT("Can't change immutable entry '%s'."), path.Name().c_str());
-    return FALSE;
+    return false;
   }
 
   return LocalKey().SetValue(path.Name(), lValue);
@@ -661,11 +661,11 @@ bool wxRegConfig::RenameEntry(const wxString& oldName, const wxString& newName)
 {
     // check that the old entry exists...
     if ( !HasEntry(oldName) )
-        return FALSE;
+        return false;
 
     // and that the new one doesn't
     if ( HasEntry(newName) )
-        return FALSE;
+        return false;
 
     return m_keyLocal.RenameValue(oldName, newName);
 }
@@ -674,11 +674,11 @@ bool wxRegConfig::RenameGroup(const wxString& oldName, const wxString& newName)
 {
     // check that the old group exists...
     if ( !HasGroup(oldName) )
-        return FALSE;
+        return false;
 
     // and that the new one doesn't
     if ( HasGroup(newName) )
-        return FALSE;
+        return false;
 
     return wxRegKey(m_keyLocal, oldName).Rename(newName);
 }
@@ -693,7 +693,7 @@ bool wxRegConfig::DeleteEntry(const wxString& value, bool bGroupIfEmptyAlso)
 
   if ( m_keyLocal.Exists() ) {
     if ( !m_keyLocal.DeleteValue(path.Name()) )
-      return FALSE;
+      return false;
 
     if ( bGroupIfEmptyAlso && m_keyLocal.IsEmpty() ) {
       wxString strKey = GetPath().AfterLast(wxCONFIG_PATH_SEPARATOR);
@@ -702,14 +702,14 @@ bool wxRegConfig::DeleteEntry(const wxString& value, bool bGroupIfEmptyAlso)
     }
   }
 
-  return TRUE;
+  return true;
 }
 
 bool wxRegConfig::DeleteGroup(const wxString& key)
 {
   wxConfigPathChanger path(this, key);
 
-  return m_keyLocal.Exists() ? LocalKey().DeleteKey(path.Name()) : TRUE;
+  return m_keyLocal.Exists() ? LocalKey().DeleteKey(path.Name()) : true;
 }
 
 bool wxRegConfig::DeleteAll()

src/msw/region.cpp

@@ -166,12 +166,12 @@ void wxRegion::Clear()
 
 bool wxRegion::Offset(wxCoord x, wxCoord y)
 {
-    wxCHECK_MSG( M_REGION, FALSE, _T("invalid wxRegion") );
+    wxCHECK_MSG( M_REGION, false, _T("invalid wxRegion") );
 
     if ( !x && !y )
     {
         // nothing to do
-        return TRUE;
+        return true;
     }
 
     AllocExclusive();
@@ -180,10 +180,10 @@ bool wxRegion::Offset(wxCoord x, wxCoord y)
     {
         wxLogLastError(_T("OffsetRgn"));
 
-        return FALSE;
+        return false;
     }
 
-    return TRUE;
+    return true;
 }
 
 // combine another region with this one
@@ -209,7 +209,7 @@ bool wxRegion::Combine(const wxRegion& rgn, wxRegionOp op)
             case wxRGN_AND:
             case wxRGN_DIFF:
                 // leave empty/invalid
-                return FALSE;
+                return false;
         }
     }
     else // we have a valid region
@@ -248,11 +248,11 @@ bool wxRegion::Combine(const wxRegion& rgn, wxRegionOp op)
         {
             wxLogLastError(_T("CombineRgn"));
 
-            return FALSE;
+            return false;
         }
     }
 
-    return TRUE;
+    return true;
 }
 
 // Combine rectangle (x, y, w, h) with this.

src/msw/registry.cpp

@@ -112,7 +112,7 @@ aStdKeys[] =
 // removes the trailing backslash from the string if it has one
 static inline void RemoveTrailingSeparator(wxString& str);
 
-// returns TRUE if given registry key exists
+// returns true if given registry key exists
 static bool KeyExists(WXHKEY hRootKey, const wxChar *szKey);
 
 // combines value and key name (uses static buffer!)
@@ -296,11 +296,11 @@ void wxRegKey::SetHkey(WXHKEY hKey)
 // info about the key
 // ----------------------------------------------------------------------------
 
-// returns TRUE if the key exists
+// returns true if the key exists
 bool wxRegKey::Exists() const
 {
   // opened key has to exist, try to open it if not done yet
-  return IsOpened() ? TRUE : KeyExists(m_hRootKey, m_strKey);
+  return IsOpened() ? true : KeyExists(m_hRootKey, m_strKey);
 }
 
 // returns the full name of the key (prefix is abbreviated if bShortPrefix)
@@ -355,10 +355,10 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("Can't get info about registry key '%s'"),
                   GetName().c_str());
-    return FALSE;
+    return false;
   }
 
-  return TRUE;
+  return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -369,7 +369,7 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
 bool wxRegKey::Open(AccessMode mode)
 {
     if ( IsOpened() )
-        return TRUE;
+        return true;
 
     HKEY tmpKey;
     m_dwLastError = ::RegOpenKeyEx
@@ -385,11 +385,11 @@ bool wxRegKey::Open(AccessMode mode)
     {
         wxLogSysError(m_dwLastError, _("Can't open registry key '%s'"),
                       GetName().c_str());
-        return FALSE;
+        return false;
     }
 
     m_hKey = (WXHKEY) tmpKey;
-    return TRUE;
+    return true;
 }
 
 // creates key, failing if it exists and !bOkIfExists
@@ -397,10 +397,10 @@ bool wxRegKey::Create(bool bOkIfExists)
 {
   // check for existence only if asked (i.e. order is important!)
   if ( !bOkIfExists && Exists() )
-    return FALSE;
+    return false;
 
   if ( IsOpened() )
-    return TRUE;
+    return true;
 
   HKEY tmpKey;
 #ifdef __WXWINCE__
@@ -419,12 +419,12 @@ bool wxRegKey::Create(bool bOkIfExists)
   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("Can't create registry key '%s'"),
                   GetName().c_str());
-    return FALSE;
+    return false;
   }
   else
   {
     m_hKey = (WXHKEY) tmpKey;
-    return TRUE;
+    return true;
   }
 }
 
@@ -439,20 +439,20 @@ bool wxRegKey::Close()
       wxLogSysError(m_dwLastError, _("Can't close registry key '%s'"),
                     GetName().c_str());
 
-      return FALSE;
+      return false;
     }
   }
 
-  return TRUE;
+  return true;
 }
 
 bool wxRegKey::RenameValue(const wxChar *szValueOld, const wxChar *szValueNew)
 {
-    bool ok = TRUE;
+    bool ok = true;
     if ( HasValue(szValueNew) ) {
         wxLogError(_("Registry value '%s' already exists."), szValueNew);
 
-        ok = FALSE;
+        ok = false;
     }
 
     if ( !ok ||
@@ -461,10 +461,10 @@ bool wxRegKey::RenameValue(const wxChar *szValueOld, const wxChar *szValueNew)
         wxLogError(_("Failed to rename registry value '%s' to '%s'."),
                    szValueOld, szValueNew);
 
-        return FALSE;
+        return false;
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxRegKey::CopyValue(const wxChar *szValue,
@@ -515,19 +515,19 @@ bool wxRegKey::CopyValue(const wxChar *szValue,
         default:
             wxLogError(_("Can't copy values of unsupported type %d."),
                        GetValueType(szValue));
-            return FALSE;
+            return false;
     }
 }
 
 bool wxRegKey::Rename(const wxChar *szNewName)
 {
-    wxCHECK_MSG( !!m_strKey, FALSE, _T("registry hives can't be renamed") );
+    wxCHECK_MSG( !m_strKey.IsEmpty(), false, _T("registry hives can't be renamed") );
 
     if ( !Exists() ) {
         wxLogError(_("Registry key '%s' does not exist, cannot rename it."),
                    GetFullName(this));
 
-        return FALSE;
+        return false;
     }
 
     // do we stay in the same hive?
@@ -539,7 +539,7 @@ bool wxRegKey::Rename(const wxChar *szNewName)
     if ( inSameHive ) {
         // rename the key to the new name under the same parent
         wxString strKey = m_strKey.BeforeLast(REG_SEPARATOR);
-        if ( !!strKey ) {
+        if ( !strKey.IsEmpty() ) {
             // don't add '\\' in the start if strFullNewName is empty
             strKey += REG_SEPARATOR;
         }
@@ -553,7 +553,7 @@ bool wxRegKey::Rename(const wxChar *szNewName)
         keyDst.SetName(szNewName);
     }
 
-    bool ok = keyDst.Create(FALSE /* fail if alredy exists */);
+    bool ok = keyDst.Create(false /* fail if alredy exists */);
     if ( !ok ) {
         wxLogError(_("Registry key '%s' already exists."),
                    GetFullName(&keyDst));
@@ -578,7 +578,7 @@ bool wxRegKey::Copy(const wxChar *szNewName)
 {
     // create the new key first
     wxRegKey keyDst(szNewName);
-    bool ok = keyDst.Create(FALSE /* fail if alredy exists */);
+    bool ok = keyDst.Create(false /* fail if alredy exists */);
     if ( ok ) {
         ok = Copy(keyDst);
 
@@ -593,7 +593,7 @@ bool wxRegKey::Copy(const wxChar *szNewName)
 
 bool wxRegKey::Copy(wxRegKey& keyDst)
 {
-    bool ok = TRUE;
+    bool ok = true;
 
     // copy all sub keys to the new location
     wxString strKey;
@@ -646,7 +646,7 @@ bool wxRegKey::DeleteSelf()
     wxLogNull nolog;
     if ( !Open() ) {
       // it already doesn't exist - ok!
-      return TRUE;
+      return true;
     }
   }
 
@@ -659,7 +659,7 @@ bool wxRegKey::DeleteSelf()
       wxLogError(_("Registry key '%s' is needed for normal system operation,\ndeleting it will leave your system in unusable state:\noperation aborted."),
                  GetFullName(this));
 
-      return FALSE;
+      return false;
   }
 
   // we can't delete keys while enumerating because it confuses GetNextKey, so
@@ -679,7 +679,7 @@ bool wxRegKey::DeleteSelf()
   for ( size_t nKey = 0; nKey < nKeyCount; nKey++ ) {
     wxRegKey key(*this, astrSubkeys[nKey]);
     if ( !key.DeleteSelf() )
-      return FALSE;
+      return false;
   }
 
   // now delete this key itself
@@ -691,16 +691,16 @@ bool wxRegKey::DeleteSelf()
           m_dwLastError != ERROR_FILE_NOT_FOUND ) {
     wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),
                   GetName().c_str());
-    return FALSE;
+    return false;
   }
 
-  return TRUE;
+  return true;
 }
 
 bool wxRegKey::DeleteKey(const wxChar *szKey)
 {
   if ( !Open() )
-    return FALSE;
+    return false;
 
   wxRegKey key(*this, szKey);
   return key.DeleteSelf();
@@ -709,7 +709,7 @@ bool wxRegKey::DeleteKey(const wxChar *szKey)
 bool wxRegKey::DeleteValue(const wxChar *szValue)
 {
   if ( !Open() )
-    return FALSE;
+    return false;
 
     m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);
 
@@ -718,24 +718,24 @@ bool wxRegKey::DeleteValue(const wxChar *szValue)
          (m_dwLastError != ERROR_FILE_NOT_FOUND) ) {
       wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
                     szValue, GetName().c_str());
-      return FALSE;
+      return false;
     }
 
-  return TRUE;
+  return true;
 }
 
 // ----------------------------------------------------------------------------
 // access to values and subkeys
 // ----------------------------------------------------------------------------
 
-// return TRUE if value exists
+// return true if value exists
 bool wxRegKey::HasValue(const wxChar *szValue) const
 {
   // this function should be silent, so suppress possible messages from Open()
   wxLogNull nolog;
 
     if ( !CONST_CAST Open(Read) )
-        return FALSE;
+        return false;
 
     LONG dwRet = ::RegQueryValueEx((HKEY) m_hKey,
                                    WXSTRINGCAST szValue,
@@ -744,7 +744,7 @@ bool wxRegKey::HasValue(const wxChar *szValue) const
     return dwRet == ERROR_SUCCESS;
 }
 
-// returns TRUE if this key has any values
+// returns true if this key has any values
 bool wxRegKey::HasValues() const
 {
   // suppress possible messages from GetFirstValue()
@@ -756,7 +756,7 @@ bool wxRegKey::HasValues() const
   return CONST_CAST GetFirstValue(str, l);
 }
 
-// returns TRUE if this key has any subkeys
+// returns true if this key has any subkeys
 bool wxRegKey::HasSubkeys() const
 {
   // suppress possible messages from GetFirstKey()
@@ -768,14 +768,14 @@ bool wxRegKey::HasSubkeys() const
   return CONST_CAST GetFirstKey(str, l);
 }
 
-// returns TRUE if given subkey exists
+// returns true if given subkey exists
 bool wxRegKey::HasSubKey(const wxChar *szKey) const
 {
   // this function should be silent, so suppress possible messages from Open()
   wxLogNull nolog;
 
   if ( !CONST_CAST Open(Read) )
-    return FALSE;
+    return false;
 
   return KeyExists(m_hKey, szKey);
 }
@@ -804,12 +804,12 @@ bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
     m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_DWORD,
                                   (RegString)&lValue, sizeof(lValue));
     if ( m_dwLastError == ERROR_SUCCESS )
-      return TRUE;
+      return true;
   }
 
   wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
                 GetFullName(this, szValue));
-  return FALSE;
+  return false;
 }
 
 bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
@@ -822,36 +822,36 @@ bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
                     GetName().c_str());
-      return FALSE;
+      return false;
     }
     else {
       // check that we read the value of right type
       wxASSERT_MSG( IsNumericValue(szValue),
                     wxT("Type mismatch in wxRegKey::QueryValue().")  );
 
-      return TRUE;
+      return true;
     }
   }
   else
-    return FALSE;
+    return false;
 }
 
 bool wxRegKey::SetValue(const wxChar *szValue,const wxMemoryBuffer& buffer)
 {
 #ifdef __TWIN32__
   wxFAIL_MSG("RegSetValueEx not implemented by TWIN32");
-  return FALSE;
+  return false;
 #else
   if ( CONST_CAST Open() ) {
     m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_BINARY,
                                   (RegBinary)buffer.GetData(),buffer.GetDataLen());
     if ( m_dwLastError == ERROR_SUCCESS )
-      return TRUE;
+      return true;
   }
 
   wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
                 GetFullName(this, szValue));
-  return FALSE;
+  return false;
 #endif
 }
 
@@ -882,11 +882,11 @@ bool wxRegKey::QueryValue(const wxChar *szValue, wxMemoryBuffer& buffer) const
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
                     GetName().c_str());
-      return FALSE;
+      return false;
     }
-    return TRUE;
+    return true;
   }
-  return FALSE;
+  return false;
 }
 
 
@@ -951,14 +951,14 @@ bool wxRegKey::QueryValue(const wxChar *szValue,
           wxASSERT_MSG( !IsNumericValue(szValue),
                         wxT("Type mismatch in wxRegKey::QueryValue().") );
 
-          return TRUE;
+          return true;
         }
       }
   }
 
   wxLogSysError(m_dwLastError, _("Can't read value of '%s'"),
                 GetFullName(this, szValue));
-  return FALSE;
+  return false;
 }
 
 bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
@@ -968,12 +968,12 @@ bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
                                     (RegString)strValue.c_str(),
                                     (strValue.Len() + 1)*sizeof(wxChar));
       if ( m_dwLastError == ERROR_SUCCESS )
-        return TRUE;
+        return true;
   }
 
   wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
                 GetFullName(this, szValue));
-  return FALSE;
+  return false;
 }
 
 wxString wxRegKey::QueryDefaultValue() const
@@ -992,7 +992,7 @@ wxString wxRegKey::QueryDefaultValue() const
 bool wxRegKey::GetFirstValue(wxString& strValueName, long& lIndex)
 {
   if ( !Open(Read) )
-    return FALSE;
+    return false;
 
   lIndex = 0;
   return GetNextValue(strValueName, lIndex);
@@ -1004,7 +1004,7 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
 
   // are we already at the end of enumeration?
   if ( lIndex == -1 )
-    return FALSE;
+    return false;
 
     wxChar  szValueName[1024];                  // @@ use RegQueryInfoKey...
     DWORD dwValueLen = WXSIZEOF(szValueName);
@@ -1026,18 +1026,18 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
                       GetName().c_str());
       }
 
-      return FALSE;
+      return false;
     }
 
     strValueName = szValueName;
 
-  return TRUE;
+  return true;
 }
 
 bool wxRegKey::GetFirstKey(wxString& strKeyName, long& lIndex)
 {
   if ( !Open(Read) )
-    return FALSE;
+    return false;
 
   lIndex = 0;
   return GetNextKey(strKeyName, lIndex);
@@ -1049,7 +1049,7 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
 
   // are we already at the end of enumeration?
   if ( lIndex == -1 )
-    return FALSE;
+    return false;
 
   wxChar szKeyName[_MAX_PATH + 1];
 
@@ -1071,14 +1071,14 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
                     GetName().c_str());
     }
 
-    return FALSE;
+    return false;
   }
 
   strKeyName = szKeyName;
-  return TRUE;
+  return true;
 }
 
-// returns TRUE if the value contains a number (else it's some string)
+// returns true if the value contains a number (else it's some string)
 bool wxRegKey::IsNumericValue(const wxChar *szValue) const
 {
     ValueType type = GetValueType(szValue);
@@ -1086,10 +1086,10 @@ bool wxRegKey::IsNumericValue(const wxChar *szValue) const
         case Type_Dword:
         /* case Type_Dword_little_endian: == Type_Dword */
         case Type_Dword_big_endian:
-            return TRUE;
+            return true;
 
         default:
-            return FALSE;
+            return false;
     }
 }
 
@@ -1101,7 +1101,7 @@ bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
 {
     // don't close this key itself for the case of empty szKey!
     if ( wxIsEmpty(szKey) )
-        return TRUE;
+        return true;
 
     HKEY hkeyDummy;
     if ( ::RegOpenKeyEx
@@ -1115,10 +1115,10 @@ bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
     {
         ::RegCloseKey(hkeyDummy);
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 const wxChar *GetFullName(const wxRegKey *pKey, const wxChar *szValue)