IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
+// TODO : for the Screenshot use case, which doesn't work in Quartz
+// we should do a GetAsBitmap using something like
+// http://www.cocoabuilder.com/archive/message/cocoa/2005/8/13/144256
+
// Create a DC representing the whole screen
wxScreenDC::wxScreenDC()
{