qb45advr.hlp (Topic list)
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.onpenba
:nON PEN Statement QuickSCREEN
  QuickSCREEN      Details      Example      Contents      Index
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ON PEN - Event trapping statement that specifies a subroutine to branch
         to when the lightpen is activated
Syntax
  ON PEN GOSUB {linelabel | linenumber}
    ■ linelabel or linenumber is the first line of the event-handling
      subroutine
 
See Also  PEN ON