merged 2.2 branch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/choice.h

@@ -66,6 +66,8 @@ public:
     // MSW only
     virtual bool MSWCommand(WXUINT param, WXWORD id);
     long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+    virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
+            WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 
 protected:
     virtual void DoSetItemClientData( int n, void* clientData );