A [Ttk] [widget] that provides both [tree]-browsing capabilities and multicolumn [listbox] capabilities.

http://www.tcl.tk/man/tcl8.5/TkCmd/ttk_treeview.htm

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[MHo] 2008-04-09: Does someone know why a horizontal [scrollbar] does not work properly in conjunction with this widget? It seems that the hsb never gets updated.
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[D. McC] 2008-04-12: Have you specified minimum column widths with the '''-minwidth''' option? I used to have this problem too, and it went away when I specified minimum widths.
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[MHo]: No, haven't tried yet. Switched the whole GUI of my app to [BWidget]s because I had other problems with [tile], too.
[MHo] 09-nov-2008: With '''-stretch 1''', the scrollbar is missing, with '''-stretch 0''', it's there! 

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!!!!!!
%| [Category Widget] |%
!!!!!!