from Tkinter import *
class myClass(Frame):
    def __init__(self,parent=None):
	Frame.__init__(self,parent)
	l = Label(self,text="MyLabel")
	l.pack()
	self.bind("<Configure>", self.callback)
    def callback(self,event):
	print "Frame Event", event.type
def rootcallback(event):
    print "Root Event", event.type
root = Tk()
myWidget = myClass(root)
myWidget.pack()
root.bind("<Configure>",rootcallback)
root.mainloop()