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- proc incr_label {w} {
- $w getValues -labelString x
- incr x
- $w setValues -labelString $x
- }
-
- xmRowColumn .rc managed -orientation horizontal
- xmPushButton .rc.btn managed \
- -labelString "increment label"
- xmLabel .rc.label managed -labelString " 1"
- .rc.btn activateCallback {incr_label .rc.label}
-