+ // Called when a file selected from the MRU list doesn't exist any more.
+ // The default behaviour is to remove the file from the MRU and notify the
+ // user about it but this method can be overridden to customize it.
+ virtual void OnMRUFileNotExist(unsigned n, const wxString& filename);
+
+ // Open the MRU file with the given index in our associated file history.
+ void DoOpenMRUFile(unsigned n);