Contains(Action<TPayload>) Method

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Returns true if there is a subscriber matching .

Syntax

protected internal bool Contains( 
   Action<TPayload> subscriber
)

Protected Friend Overloads Function Contains( _
   ByVal subscriber As Action(Of TPayload) _
) As Boolean

true if there is an that matches; otherwise false.

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.

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