+WXDLLIMPEXP_BASE time_t wxFileModificationTime(const wxString& filename);
+
+// Parses the wildCard, returning the number of filters.
+// Returns 0 if none or if there's a problem,
+// The arrays will contain an equal number of items found before the error.
+// wildCard is in the form:
+// "All files (*)|*|Image Files (*.jpeg *.png)|*.jpg;*.png"
+WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArrayString& descriptions, wxArrayString& filters);