virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE );
virtual bool CanGetTextExtent(void) const;
virtual void GetTextExtent( const wxString &string, long *width, long *height,
- long *descent = NULL, long *externalLeading = NULL,
- wxFont *theFont = NULL, bool use16 = FALSE );
+ long *descent = (long *) NULL, long *externalLeading = (long *) NULL,
+ wxFont *theFont = (wxFont *) NULL, bool use16 = FALSE );
virtual long GetCharWidth(void);
virtual long GetCharHeight(void);