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UdpSingleSourceMulticastClient.EndReceiveFromSource Method

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

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

public int EndReceiveFromSource(
	IAsyncResult result,
	out int sourcePort


Type: System.IAsyncResult
The result of the asynchronous receive operation.
Type: System.Int32%
The source port 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 BeginReceiveFromSource method.


result is null.


The multicast group has not yet been joined.


The UdpSingleSourceMulticastClient has been disposed.


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

The EndReceiveFromSource method completes an asynchronous operation to receive a packet from a single source in 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.


Supported in: 5, 4

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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