Hi!
I am new to Tcl/Tk and I need some help :).
My procedure is:
proc changeText {data} {
upvar #0 $data v
set w .f.f0.u
set vehicleNum $v(Tag)
# changing the text
$w bind $v(Tag) <Button-1> {
upvar 1 $vehicleNum v
set num $v
set...
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