1. undid wxGTK timer hack, corrected bug in my code

2. clip wxPaintDC to the client area


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/wxUNIVERSAL@8343 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/univ/univ.cpp

@@ -421,5 +421,7 @@ void MyUnivCanvas::OnPaint(wxPaintEvent& event)
     dc.DrawText(_T("This is the top of the canvas"), 10, 10);
     dc.DrawLabel(_T("This is the bottom of the canvas"),
                  wxRect(0, 950, 950, 50), wxALIGN_RIGHT | wxBOTTOM);
+
+    event.Skip();
 }