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24 lines
865 B
Text
24 lines
865 B
Text
'''This page is maintained for historic purposes. The keyword is not supported in QB64.'''
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----
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[[ON PEN]] enables event handling for the ''light pen''.
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{{PageSyntax}}
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: [[ON PEN]] [[GOSUB]] {{Parameter|lineLabel}} | {{Parameter|lineNumber}}
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{{PageDescription}}
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*'''[[Keywords currently not supported by QB64|Not supported in QB64.]]'''
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* Any activity on the lightpen will cause the program to branch to the specified {{Parameter|lineLabel}} or {{Parameter|lineNumber}}.
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* [[PEN (statement)|PEN]] [[ON]] enables or resumes event trapping.
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* [[PEN (statement)|PEN]] [[OFF]] disables event trapping and event logging.
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* [[PEN (statement)|PEN]] [[STOP]] temporarily suspends event trapping. When resumed again by [[PEN (statement)|PEN]] [[ON]]), may report events while suspended.
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{{PageSeeAlso}}
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* [[PEN]] (function), [[PEN (statement)]]
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{{PageNavigation}}
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