[#BloombergLP-bdlmt-EventScheduler-cancelEvent-0ab]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlmt.adoc[bdlmt]::xref:BloombergLP/bdlmt/EventScheduler.adoc[EventScheduler]::cancelEvent
:relfileprefix: ../../../
:mrdocs:

Cancel the event having the specified `handle` and release the handle. Return 0 on successful cancellation, and a non‐zero value if the `handle` is invalid _or_ if the event has already been dispatched or canceled. Note that `handle` is released whether this call is successful or not.

== Synopsis

Declared in `<bdlmt_eventscheduler.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
cancelEvent(xref:BloombergLP/bdlmt/EventScheduler/EventHandle.adoc[EventHandle]* handle);
----


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