virtual void SetViewer(const wxString& WXUNUSED(viewer), long WXUNUSED(flags) = 0) {}
// If file is "", reloads file given in Initialize
- virtual bool LoadFile(const wxString& file = wxT("")) = 0;
+ virtual bool LoadFile(const wxString& file = wxEmptyString) = 0;
// Displays the contents
virtual bool DisplayContents(void) = 0;