diff --git a/include/wx/gtk/dcmemory.h b/include/wx/gtk/dcmemory.h
index 0dbded2feb..a8d6434ad3 100644
--- a/include/wx/gtk/dcmemory.h
+++ b/include/wx/gtk/dcmemory.h
@@ -47,6 +47,8 @@ public:
 
 protected:
     void DoGetSize( int *width, int *height ) const;
+    virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const 
+    { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmap(*subrect); }
 
     DECLARE_DYNAMIC_CLASS(wxMemoryDC)
 };
diff --git a/include/wx/mac/carbon/dcmemory.h b/include/wx/mac/carbon/dcmemory.h
index cc6d459e54..58a26fee28 100644
--- a/include/wx/mac/carbon/dcmemory.h
+++ b/include/wx/mac/carbon/dcmemory.h
@@ -23,11 +23,15 @@ class WXDLLEXPORT wxMemoryDC: public wxPaintDC
     wxMemoryDC( wxDC *dc ); // Create compatible DC
     virtual ~wxMemoryDC(void);
     virtual void SelectObject( const wxBitmap& bitmap );
-	wxBitmap    GetSelectedBitmap() { return m_selected ; }
+    const wxBitmap& GetSelectedBitmap() const { return m_selected; }
+    wxBitmap    GetSelectedBitmap() { return m_selected; }
+
 	wxBitmap    GetSelectedObject() { return GetSelectedBitmap() ; }
 
 protected:
     virtual void DoGetSize( int *width, int *height ) const;
+    virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const 
+    { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmap(*subrect); }
 
   private:
     wxBitmap  m_selected;
diff --git a/include/wx/msw/dc.h b/include/wx/msw/dc.h
index 895aa8c50c..0ab2cc622e 100644
--- a/include/wx/msw/dc.h
+++ b/include/wx/msw/dc.h
@@ -232,6 +232,8 @@ protected:
     virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
                                    wxCoord xoffset, wxCoord yoffset,
                                    int fillStyle = wxODDEVEN_RULE);
+    virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const 
+    { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmap(*subrect); }
 
 
 #if wxUSE_PALETTE