> **can I prevent the user to destroy a (popup)window (with the
> "X" in the top-right of the window)? And can I force this
> window to stay "on top", whatever the user does?
This is a frequently asked question. See the Tk Usage FAQ at
http://www.purl.org/net/hobbs/tcl/faqs/tk/
> **The vtcl-toolbar shows a yellow 'help' text when my mouse
> is over a button. Can I use this feature easily in my own
> applications?
This is called "Balloon help". I don't think that it comes free
with vtcl. You would have to include an extension such as BWidgets
or Jeff Hobbs' Widget package at
http://www.hobbs.wservice.com/tcl/script/widget/
Bob
--
Bob Techentin [EMAIL PROTECTED]
Mayo Foundation (507) 284-2702
Rochester MN, 55905 USA http://www.mayo.edu/sppdg/sppdg_home_page.html
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