virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0;
#if wxUSE_PRINTING_ARCHITECTURE
virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc) = 0;
virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0;
#if wxUSE_PRINTING_ARCHITECTURE
virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc) = 0;