virtual bool OnOpen(const wxString &strBufferName,
wxTextBufferOpenMode OpenMode);
virtual bool OnClose();
- virtual bool OnRead(wxMBConv& conv);
- virtual bool OnWrite(wxTextFileType typeNew, wxMBConv& conv);
+ virtual bool OnRead(const wxMBConv& conv);
+ virtual bool OnWrite(wxTextFileType typeNew, const wxMBConv& conv);
private: