http://www.purl.org/tcl/home/man/tcl8.4/TkCmd/tkwait.html
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"Anyway, it's a little bit confusing that tkwait is 'scope-proof'. ;)" Another reminder to read the man page carefully: "If the first argument is variable (or any abbreviation of it) then the second argument is the name of a global variable and the command waits for that variable to be modified."






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[[Compare to [vwait].]]
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[Tk syntax help] - [Arts and crafts of Tcl-Tk programming] - [Category Command]