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Peer.InviteAsync Method (PeerApplication, String, Byte[], Object)

Begins an asynchronous invitation operation which sends an invitation to a Peer to start a specific PeerApplication.

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

public abstract void InviteAsync(
	PeerApplication applicationToInvite,
	string message,
	byte[] invitationData,
	Object userToken
)

Parameters

applicationToInvite
Type: System.Net.PeerToPeer.Collaboration.PeerApplication

The PeerApplication for which the invitation is sent.

message
Type: System.String

A message to send to the remote peer along with the application invitation. The maximum size of this message is 255 Unicode characters.

invitationData
Type: System.Byte[]

A user defined data blob to associate with the invitation. Its size can be no more than 16,384 bytes.

userToken
Type: System.Object

User-defined object to pass to the callback of the asynchronous operation for identification. This required parameter must be unique across all asynchronous invitation operations in progress.

ExceptionCondition
ArgumentException

The application is not registered with the collaboration infrastructure.

ArgumentNullException

userToken is null.

ArgumentOutOfRangeException

invitationData is larger than 16,384 bytes.

PeerToPeerException
  • An error occurred during the invitation process.

  • The currently executing application is not registered with the collaboration infrastructure.

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

Windows 7, Windows Vista, Windows Server 2008 R2, Windows Server 2008

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

.NET Framework

Supported in: 3.5

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