This is an unofficial mirror of Tkinter reference documentation (based on Python 2.7 and Tk 8.5) created by the late John Shipman. It was last updated in 2013 and is unmaintained.[More info]
The object ID of an object
on the canvas is the value returned by the constructor
for that object. All object ID values are simple
integers, and the object ID of an object is unique
within that canvas.