Hi All,
I am trapped by these two funny things:
class MyClass(upClass):
def start(self):
***do_menu_here****
self.load_label_image() # ---> this works
self.load_canvas_image() # ---> this does not work
def load_label_image(self):
img = PhotoImage(file="xx.gif")
Label(self, image=img).pack(side=BOTTOM, expand=YES, fill=BOTH)
return img
def load_canvas_image(self):
img = PhotoImage(file="xx.gif")
self.canvas = Canvas(self, width=500, height=300, bg='white')
self.canvas.pack(expand=YES, fill=BOTH)
self.canvas.create_image(50, 0, image=img, anchor=NW)
if __name__ == '__main__':
root = Tk()
root.mainloop()
load_label_image() works. However, I cannot do BIND with it, because img has no
method to do binding. So, I am trying load_canvas_image. Surprise, it does not
work. These two defs are so similar, but Python complained that no attribute of
load_canvas_image(). It is there, coexisting with load_label_image().
I cannot figure out what is wrong with it, can somebody tell me why? Thanks!
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