+ wxGCDCImpl( wxDC *owner, const wxWindowDC& dc );
+ wxGCDCImpl( wxDC *owner, const wxMemoryDC& dc );
+#if wxUSE_PRINTING_ARCHITECTURE
+ wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc );
+#endif
+ wxGCDCImpl( wxDC *owner );
+
+ virtual ~wxGCDCImpl();