Register Method (CompositePresentationEvent<TPayload>)

In This Topic

Subscribes a delegate to an event that will be published on the publisher thread. CompositePresentationEvent<TPayload> will maintain a to the target of the supplied delegate.

Syntax

C#
Visual Basic (Declaration)

protected internal SubscriptionToken Register( 
   Action<TPayload> action,
   bool keepSubscriberAlive
)

Protected Friend Function Register( _
   ByVal action As Action(Of TPayload), _
   Optional ByVal keepSubscriberAlive As Boolean _
) As SubscriptionToken

Parameters

action: The delegate that gets executed when the event is published.
keepSubscriberAlive: Set to true to maintain a strong reference

Return Value

A SubscriptionToken that uniquely identifies the added subscription.

Remarks

The CompositePresentationEvent collection is thread-safe.

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.

Reference

CompositePresentationEvent<TPayload> Class
CompositePresentationEvent<TPayload> Members
System.WeakReference

Send feedback