code: def Cancel(self, event=None):
      self.result = ""
      self.grab_release()
      self.destroy()
  
file_path: catboost/contrib/tools/python/src/Lib/idlelib/configSectionNameDialog.py
imports: from Tkinter import *
  import tkMessageBox
label_desc: Use image node_id 5 for calling the GetCfgSectionNameDialog obj's underlying member method code with example usage: obj.Cancel(event) without return types