ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Events Namespace / AsyncPresentationEvent<TPayload> Class / ContainsAny Method

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    ContainsAny Method (AsyncPresentationEvent<TPayload>)
    In This Topic
    Returns true if there are currently any subscribers.
    Syntax
    protected internal bool ContainsAny()
    Protected Friend Function ContainsAny() As Boolean

    Return Value

    true if there are currently any listeners subscribed on this event; otherwise false.
    Requirements

    Target Platforms: Windows 11, Windows 10, Windows 8.1

    See Also

    Reference

    AsyncPresentationEvent<TPayload> Class
    AsyncPresentationEvent<TPayload> Members

     

     

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