ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Events Namespace / AsyncPresentationEvent<TPayload> Class / OnFirstRegister Method

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    OnFirstRegister Method (AsyncPresentationEvent<TPayload>)
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    Called when the first subscriber subscribes to this event.
    Syntax
    protected virtual void OnFirstRegister()
    Protected Overridable Sub OnFirstRegister()
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also

    Reference

    AsyncPresentationEvent<TPayload> Class
    AsyncPresentationEvent<TPayload> Members

     

     

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