Delete wxDC object when exiting from wxPropertyGrid::OnPaint

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78333 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/propgrid/propgrid.cpp

@@ -1860,7 +1860,10 @@ void wxPropertyGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 
     // Don't paint after destruction has begun
     if ( !HasInternalFlag(wxPG_FL_INITIALIZED) )
+    {
+        delete dcPtr;
         return;
+    }
 
     // Find out where the window is scrolled to
     int vx,vy;                     // Top left corner of client