How to close wx. diaglog as a top-level window?

#  /Usr/bin/Python  #  -*-<Coding = UTF-8> -*-  """  The example is used to show the window closing object. For the Wx. Dialog object, click the close button,ProgramNo output. Why? However, for the Wx. Frame object, click it to exit.  """  Import  WX  Class  Topwindiag (wx. Dialog ):  Def   _ Init __  (Self): WX. dialog. _ Init __ (Self, parent = none, id =-1 )  If   _ Name __ = "  _ Main __  "  : App = Wx. pysimpleapp () diaglog = Topwindiag () diaglog. Show () app. mainloop () 

After you click the close button, the terminal does not exit. You need to press Ctrl + C to stop exiting.