ArcGIS Pro 2.7 API Reference Guide
Contains(SubscriptionToken) Method

ArcGIS.Core.Events Namespace > CompositePresentationEvent<TPayload> Class > Contains Method : Contains(SubscriptionToken) Method
The SubscriptionToken returned by EventBase while subscribing to the event.
Returns true if there is a subscriber matching SubscriptionToken.
Syntax
protected internal bool Contains( 
   SubscriptionToken token
)
Protected Friend Overloads Function Contains( _
   ByVal token As SubscriptionToken _
) As Boolean

Parameters

token
The SubscriptionToken returned by EventBase while subscribing to the event.

Return Value

true if there is a SubscriptionToken that matches; otherwise false.
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

CompositePresentationEvent<TPayload> Class
CompositePresentationEvent<TPayload> Members
Overload List