EVT_RIGHT_UP(self, self.OnRightClick)
         EVT_MENU(self, wxID_OPEN, self.OnFileOpenDialog)
         EVT_MENU_RANGE(self, wxID_FILE1, wxID_FILE9, self.OnFileHistory)
+        EVT_WINDOW_DESTROY(self, self.Cleanup)
 
 
-
-    def __del__(self):
+    def Cleanup(self, *args):
         del self.filehistory
         self.menu.Destroy()
 
     def OnFileOpenDialog(self, evt):
         dlg = wxFileDialog(self,
                            defaultDir = os.getcwd(),
+                           wildcard = "All Files|*",
                            style = wxOPEN | wxCHANGE_DIR)
         if dlg.ShowModal() == wxID_OK:
             path = dlg.GetPath()
 
 </body></html>
 """
+
+if __name__ == '__main__':
+    import sys,os
+    import run
+    run.main(['', os.path.basename(sys.argv[0])])
+