long FindItem( long start, const wxString& str, bool partial = false );
long FindItem( long start, wxUIntPtr data );
long FindItem( long start, const wxPoint& pt, int direction ); // not supported in wxGLC
long FindItem( long start, const wxString& str, bool partial = false );
long FindItem( long start, wxUIntPtr data );
long FindItem( long start, const wxPoint& pt, int direction ); // not supported in wxGLC