Added wxImageList::GetSize to retrieve the size originally passed

include/wx/generic/imaglist.h

@@ -29,6 +29,7 @@ public:
 
     virtual int GetImageCount() const;
     virtual bool GetSize( int index, int &width, int &height ) const;
+    virtual wxSize GetSize() const { return wxSize(m_width, m_height); }
 
     int Add( const wxBitmap& bitmap );
     int Add( const wxBitmap& bitmap, const wxBitmap& mask );

include/wx/msw/imaglist.h

@@ -46,6 +46,9 @@ public:
   // Returns the size (same for all images) of the images in the list
   bool GetSize(int index, int &width, int &height) const;
 
+  // Returns the overall size
+  wxSize GetSize() const { return m_size; }
+
   // Operations
   ////////////////////////////////////////////////////////////////////////////
 
@@ -197,6 +200,7 @@ public:
 
 protected:
   WXHIMAGELIST m_hImageList;
+  wxSize m_size;
 
   wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxImageList);
 };

include/wx/osx/imaglist.h

@@ -30,6 +30,7 @@ public:
 
     virtual int GetImageCount() const;
     virtual bool GetSize( int index, int &width, int &height ) const;
+    virtual wxSize GetSize() const { return wxSize(m_width, m_height); }
 
     int Add( const wxIcon& bitmap );
     int Add( const wxBitmap& bitmap );

interface/wx/imaglist.h

@@ -185,6 +185,14 @@ public:
     */
     virtual bool GetSize(int index, int& width, int& height) const;
 
+    /**
+        Retrieves the size of the image list as passed to Create().
+
+        @return the size of the image list, which may be zero if the image list
+            was not yet initialised.
+    */
+    virtual wxSize GetSize() const;
+
     /**
         Removes the image at the given position.
     */

src/msw/imaglist.cpp

@@ -70,11 +70,13 @@ static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask);
 wxImageList::wxImageList()
 {
     m_hImageList = 0;
+    m_size = wxSize(0,0);
 }
 
 // Creates an image list
 bool wxImageList::Create(int width, int height, bool mask, int initial)
 {
+    m_size = wxSize(width, height);
     UINT flags = 0;
 
     // as we want to be able to use 32bpp bitmaps in the image lists, we always