BlockSource Method

UdpAnySourceMulticastClient.BlockSource Method (IPAddress)

.NET Framework (current version)
 
Note: This API is now obsolete.

Blocks a source so that multicast packets originating from it are no longer received.

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

[ObsoleteAttribute("This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.", 
	true)]
public void BlockSource(
	IPAddress sourceAddress
)

Parameters

sourceAddress
Type: System.Net.IPAddress

The address of the source to block.

Exception Condition
InvalidOperationException

The multicast group has not yet been joined.

ObjectDisposedException

The UdpAnySourceMulticastClient has been disposed.

SocketException

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

The BlockSource method blocks multicast packets originating from a specified source address from being received. The client must have completed a join to the multicast group.

The sourceAddress parameter may be either an IPv6 or IPv4 address, but the sourceAddress parameter must match the address family of the multicast group that the client joined.

The method specified in the callback parameter is invoked when a packet has received.

If there is a socket failure while performing the block source operation, a SocketException is thrown. The error received is specified as a member of the SocketError enumeration.

.NET Framework
Available since 4.5
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 7.1
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