ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Events Namespace / RegisteredPresentationEvent<TSubscriptionParam,TPayload> Class / OnUnsubscribe Method
This can be ignored.
The subscription token used to unregister

In This Topic
    OnUnsubscribe Method
    In This Topic
    Callback made on the event instance when a subscriber unregisters from the event
    Syntax
    protected virtual void OnUnsubscribe( 
       TSubscriptionParam param,
       SubscriptionToken token
    )
    Protected Overridable Sub OnUnsubscribe( _
       ByVal param As TSubscriptionParam, _
       ByVal token As SubscriptionToken _
    ) 

    Parameters

    param
    This can be ignored.
    token
    The subscription token used to unregister
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also