frame = c needs to be put before the click function or the lines can
not be drawn.
On 11/6/05, Chris F.A. Johnson <[EMAIL PROTECTED]> wrote:
> On Sun, 6 Nov 2005, Shi Mu wrote:
>
> > based on the following rewritten code, why the lines still can not be
> > drawn? (there is no error report and the canvas appears).
>
> It works for me.
>
>
> > from Tkinter import *
> >
> > root = Tk()
> >
> > c = Canvas(root, bg='#0e2e0e', height=500, width=1000)
> >
> > lastX=""
> > lastY=""
> > def click(event):
> > global lastX, lastY
> > if lastX != "":
> > c.create_line(lastX,lastY,event.x,event.y,fill="white")
> > lastX = event.x
> > lastY = event.y
> >
> > frame = c
> > c.bind('<Button-1>',click)
> >
> > c.pack()
> >
> > root.mainloop()
>
> --
> Chris F.A. Johnson <http://cfaj.freeshell.org>
> ==================================================================
> Shell Scripting Recipes: A Problem-Solution Approach, 2005, Apress
> <http://www.torfree.net/~chris/books/cfaj/ssr.html>
>
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