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PeerContact::SubscribeAsync Method

Asynchronously subscribes the calling peer to the PeerContact, and as a result, the peer will receive any future PeerCollaboration events associated with the PeerContact.

Namespace:  System.Net.PeerToPeer.Collaboration
Assembly:  System.Net (in System.Net.dll)

virtual void SubscribeAsync(
	Object^ userToken


Type: System::Object

A user-defined Object that contains information about the SubscribeAsync operation.


UserToken cannot be null.


The calling peer is not signed in to People Near Me.


The PeerContact object has been disposed.


Duplicate SubscribeAsync identifier.

The SubscribeCompleted event is raised upon completion of this operation. If collaboration activities are not required to be asynchronous, the Subscribe method should be used instead.

Calling this method requires a PermissionState of Unrestricted. This state is created when the peer collaboration session begins.

.NET Framework

Supported in: 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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