- m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , maxValue,
+
+ Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
+ m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , "\p" , true , 0 , 0 , maxValue,