A few more things are back to work.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2392 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/scroll/scroll.cpp

@@ -80,6 +80,8 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
         : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER | wxTAB_TRAVERSAL )
 {
 
+  SetBackgroundColour( *wxWHITE );
+
   (void) new wxButton( this, -1, "wxButton", wxPoint(10,10) );
   
   (void) new wxTextCtrl( this, -1, "wxTextCtrl", wxPoint(10,50) );