in reply to Tk (Tcl::Tk) programmatically monitor change in Listbox

Hi

My first thought is tied arrays as described in Tk::Listbox but you might be interested in the following

Tk::event - Miscellaneous event facilities: define virtual events and generate events

https://www.tcl.tk/man/tcl/TkCmd/event.htm#M5

Tkx is similar to Tcl::Tk , it uses Tcl.pm. Example to have tcl callback call perl callback Re: Tkx Error Dialogs

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