UdpAnySourceMulticastClient.EndReceiveFromGroup Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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)


<SecuritySafeCriticalAttribute> _
Public Function EndReceiveFromGroup ( _
    result As IAsyncResult, _
    <OutAttribute> ByRef source As IPEndPoint _
) As Integer
public int EndReceiveFromGroup(
    IAsyncResult result,
    out IPEndPoint source


Return Value

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


Exception Condition

result is nulla null reference (Nothing in Visual Basic).


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.

Version Information


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.