The background was erased only under MSW for some reason, do it everywhere
now.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72904
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
wxDataViewModel *model = GetModel();
wxAutoBufferedPaintDC dc( this );
wxDataViewModel *model = GetModel();
wxAutoBufferedPaintDC dc( this );
dc.SetBrush(GetOwner()->GetBackgroundColour());
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle(GetClientSize());
dc.SetBrush(GetOwner()->GetBackgroundColour());
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle(GetClientSize());