diff --git a/include/wx/os2/private.h b/include/wx/os2/private.h
index bb4362b277..7b57d7f594 100644
--- a/include/wx/os2/private.h
+++ b/include/wx/os2/private.h
@@ -35,6 +35,7 @@
 #endif
 
 #include "wx/fontenc.h"
+#include "wx/colour.h"
 
 class WXDLLEXPORT wxFont;
 class WXDLLEXPORT wxWindow;
@@ -342,5 +343,6 @@ WXDLLEXPORT extern wxBitmap wxDisableBitmap( const wxBitmap& rBmp
                                             ,long            lColor
                                            );
 
+WXDLLEXPORT extern COLORREF wxColourToRGB(const wxColour& rColor);
 #endif // _WX_PRIVATE_H_
 
diff --git a/include/wx/os2/window.h b/include/wx/os2/window.h
index c690cd1dfb..261d6562d8 100644
--- a/include/wx/os2/window.h
+++ b/include/wx/os2/window.h
@@ -371,6 +371,8 @@ public:
                                   ,WXMEASUREITEMSTRUCT* pItem
                                  );
 
+    virtual void OnPaint(wxPaintEvent& rEvent);
+
     // the rest are not virtual
     bool HandleCreate( WXLPCREATESTRUCT vCs
                       ,bool*            pMayCreate