ArcGIS Pro 3.2 API Reference Guide
ArcGIS.Core.Events Namespace / CompositePresentationEvent<TPayload> Class / Contains Method

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    Contains Method (CompositePresentationEvent<TPayload>)
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    Overload List
    OverloadDescription
    Returns true if there is a subscriber matching SubscriptionToken.  
    Returns true if there is a subscriber matching .  
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also