error "This script should be run from the \"widget\" demo."
}
set w .hscale
catch {destroy $w}
toplevel $w
wm title $w "Horizontal Scale Demonstration"
wm iconname $w "hscale"
positionWindow $w
label $w.msg -font $font -wraplength 3.5i -justify left -text "An arrow and a horizontal scale are displayed below. If you click or drag mouse button 1 in the scale, you can change the length of the arrow."