Variable length parameters for event method : Event « Tkinker « Python Tutorial

1. Python Tutorial
2. Tkinker
3. Event

from Tkinter import *

class MyApp:
  def __init__(self, parent):
    self.myParent = parent   
    self.myContainer1 = Frame(parent)
    self.myContainer1.pack()
    
    button_name = "OK"
    self.button1 = Button(self.myContainer1,
      command=self.buttonHandler(button_name, 1, "A"))
      
    self.button1.configure(text=button_name, background="green")  
    self.button1.pack(side=LEFT)
    self.button1.focus_force()  
    
    button_name = "Cancel"
    self.button2 = Button(self.myContainer1, 
      command=self.buttonHandler(button_name, 2, "B")) 
       
    self.button2.configure(text=button_name, background="red")
    self.button2.pack(side=LEFT)   
        
    
  def buttonHandler(self, arg1, arg2, arg3):   
    print arg1, arg2, arg3
    
   def buttonHandler_a(self, event, arg1, arg2, arg3):
    print "event:", event
    self.buttonHandler(arg1, arg2, arg3)
    
root = Tk()
myapp = MyApp(root)
root.mainloop()

18.12.Event
	18.12.1.	Display all attributes of an event
	18.12.2.	Print a description of an event, based on its attributes
	18.12.3.	Variable length parameters for event method
	18.12.4.	Demonstrates binding an event with an event handler
	18.12.5.	Call sys.exit command from Button
	18.12.6.	Call root.quit from button