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Editorial Team
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Asked: 2026-06-11T17:58:10+00:00

Do we need to call EndInvoke() and close the wait handle after calling a

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Do we need to call EndInvoke() and close the wait handle after calling a delegate BeginInvoke() even when we do not need to wait for the result?
Any resource leak if do not do so?

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  1. Editorial Team

    Yes; you do always need to call EndInvoke().
    Otherwise, .Net will hold the result forever, in case you eventually do call EndInvoke().

    If you want a “fire and forget it” asynchronous invocation (or even if you don’t), you should use the Task class, which is much nicer.

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