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tkinter ttk Restoring Focus

I have two windows: -- a root-win from TK() -- a top-win from Toplevel(root-win)

When root-win has focus, if I click with the mouse on the top of top-win then the focus in top-win is restored as it was before.

I want to do the same by using methods only.

I have use top-win.lift() and the window is lifted ok . But how can I a restore the focus ? top-win.focus() doesn't work. top-win.frame.focus() either (frame is a frame widget in top-level)

If click does it then some function should be able do it.

question from:https://stackoverflow.com/questions/65864661/tkinter-ttk-restoring-focus

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