PanedWindow-1.3.tcl
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Implements a paned window widget using primitive widgets as the
building blocks.  The PanedWindow command creates mutiple panes
(each one a frame) that can be resized by the user.  A widget
command exists to retrieve the names of the created panes.  See the
USEAGE section for an example.  [incr tcl] is required to use this
widget.