1. wxMDIParentFrame::~wxMDIParentFrame() bug fixed

2. tooltips work with wxRadioBox
3. duplicated OnCtlColor()s moved to wxControl


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4693 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/radiobox.h

@@ -47,8 +47,6 @@ public:
             const wxValidator& val = wxDefaultValidator, const wxString& name = wxRadioBoxNameStr);
 
     virtual bool MSWCommand(WXUINT param, WXWORD id);
-    virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-                                WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 
     int FindString(const wxString& s) const;
     void SetSelection(int N);