ControlButtonContentInfo info ;
wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
ControlButtonContentInfo info ;
wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;