EndReceiveFromGroup Method

UdpAnySourceMulticastClient.EndReceiveFromGroup Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Completes the asynchronous operation of receiving a packet from the joined multicast group and provides the information received.

Namespace:  System.Net.Sockets
Assembly:  System.Net (in System.Net.dll)

public int EndReceiveFromGroup(
	IAsyncResult result,
	out IPEndPoint source


Type: System.IAsyncResult
The result of the asynchronous receive operation.
Type: System.Net.IPEndPoint %
The source endpoint where the packet was received from.

Return Value

Type: System.Int32
The length, in bytes, of the message stored in the buffer parameter passed to the BeginReceiveFromGroup method.


result is null.


The multicast group has not yet been joined.


The UdpAnySourceMulticastClient has been disposed.


An error occurred when attempting to access the socket. See the Remarks section for more information.

The EndReceiveFromGroup method completes an asynchronous operation to receive a packet from a multicast group.

If there is a socket failure while performing the receive operation, a SocketException is thrown. The error received is specified as a member of the System.Net.Sockets.SocketError enumeration.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1

Windows Phone

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