ArcGIS Pro 2.8 API Reference Guide
Contains(Func<TPayload,Task>) Method

ArcGIS.Core.Events Namespace > RegisteredPresentationEvent<TSubscriptionParam,TPayload> Class > Contains Method : Contains(Func<TPayload,Task>) Method
The Action used when subscribing to the event.
Returns true if there is a subscriber matching .
Syntax
protected internal bool Contains( 
   Func<TPayload,Task> subscriber
)
Protected Friend Overloads Function Contains( _
   ByVal subscriber As Func(Of TPayload,Task) _
) As Boolean

Parameters

subscriber
The Action used when subscribing to the event.

Return Value

true if there is an that matches; otherwise false.
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

RegisteredPresentationEvent<TSubscriptionParam,TPayload> Class
RegisteredPresentationEvent<TSubscriptionParam,TPayload> Members
Overload List
Action
Action

 

 

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