virtual void SetMapMode(int mode);
virtual void GetTextExtent(const wxString& string, long *x, long *y,
long *descent = NULL, long *externalLeading = NULL,
- wxFont *theFont = NULL, bool use16bit = FALSE) const;
+ const wxFont *theFont = NULL, bool use16bit = FALSE) const;
// Implementation
wxMetafile *GetMetaFile() const { return m_metaFile; }