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Add double click action to canvas

from Tkinter  import *        class ScrolledCanvas(Frame):     def __init__(self, parent=None, color='black'):         Frame.__init__(self, parent)         self.pack(expand=YES, fill=BOTH)                          canv = Canvas(self, bg=color, relief=SUNKEN)         canv.config(width=300, height=200)                        canv.config(scrollregion=(0,0,300, 1000))                 canv.config(highlightthickness=0)                               sbar = Scrollbar(self)         sbar.config(command=canv.yview)                           canv.config(yscrollcommand=sbar.set)                      sbar.pack(side=RIGHT, fill=Y)                             canv.pack(side=LEFT, expand=YES, fill=BOTH)                     canv.create_text(200, (100), text='AAA', fill='white')         canv.bind('<Double-1>', self.onDoubleClick)               self.canvas = canv              def onDoubleClick(self, event):                           print event.x, event.y         print self.canvas.canvasx(event.x), self.canvas.canvasy(event.y)       ScrolledCanvas().mainloop()