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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)

public virtual void SubscribeAsync(
	Object userToken
)

Parameters

userToken
Type: System.Object
A user-defined Object that contains information about the SubscribeAsync operation.

ExceptionCondition
ArgumentNullException

UserToken cannot be null.

InvalidOperationException

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

ObjectDisposedException

The PeerContact object has been disposed.

PeerToPeerException

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, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

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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