diff --git a/src/propgrid/propgrid.cpp b/src/propgrid/propgrid.cpp
index 7e08170b36..c841b1e7f5 100644
--- a/src/propgrid/propgrid.cpp
+++ b/src/propgrid/propgrid.cpp
@@ -421,12 +421,15 @@ protected:
     }
 
     void OnPaint( wxPaintEvent& event );
-
+    
 private:
     DECLARE_EVENT_TABLE()
+    DECLARE_ABSTRACT_CLASS(wxPGCanvas)
 };
 
 
+IMPLEMENT_ABSTRACT_CLASS(wxPGCanvas,wxPanel)
+
 BEGIN_EVENT_TABLE(wxPGCanvas, wxPanel)
     EVT_MOTION(wxPGCanvas::OnMouseMove)
     EVT_PAINT(wxPGCanvas::OnPaint)