'''wm frame''' ''window''

If ''window'' has been reparented by the window manager into a decorative frame, the command returns the platform specific window identifier for the outermost frame that contains ''window'' (the window whose parent is the root or virtual root). If ''window'' hasn't been reparented by the window manager then the command returns the platform specific window identifier for ''window''.

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See also:

   * [wm]
   * [winfo id]

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