PassEventsUp
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PassEventsUp
is an option to EventHandler that specifies whether events handled by a particular event handler should be passed up to event handlers in outer expressions.
Details

Examples
Basic Examples (2)Summary of the most common use cases
By default, nested EventHandler actions are triggered upon the specified action:

https://wolfram.com/xid/0dc01ixop4mm-lebg2w

By disabling PassEventsUp, prevent the outer EventHandler action from being triggered:

https://wolfram.com/xid/0dc01ixop4mm-tv5cn6

Allow the outer EventHandler action when the key is depressed:

https://wolfram.com/xid/0dc01ixop4mm-suu0lo

Wolfram Research (2007), PassEventsUp, Wolfram Language function, https://reference.wolfram.com/language/ref/PassEventsUp.html.
Text
Wolfram Research (2007), PassEventsUp, Wolfram Language function, https://reference.wolfram.com/language/ref/PassEventsUp.html.
Wolfram Research (2007), PassEventsUp, Wolfram Language function, https://reference.wolfram.com/language/ref/PassEventsUp.html.
CMS
Wolfram Language. 2007. "PassEventsUp." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/PassEventsUp.html.
Wolfram Language. 2007. "PassEventsUp." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/PassEventsUp.html.
APA
Wolfram Language. (2007). PassEventsUp. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/PassEventsUp.html
Wolfram Language. (2007). PassEventsUp. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/PassEventsUp.html
BibTeX
@misc{reference.wolfram_2025_passeventsup, author="Wolfram Research", title="{PassEventsUp}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/PassEventsUp.html}", note=[Accessed: 27-May-2025
]}
BibLaTeX
@online{reference.wolfram_2025_passeventsup, organization={Wolfram Research}, title={PassEventsUp}, year={2007}, url={https://reference.wolfram.com/language/ref/PassEventsUp.html}, note=[Accessed: 27-May-2025
]}