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Socket.CancelConnectAsync Method

Cancels an asynchronous request for a remote host connection.

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

public static void CancelConnectAsync(
	SocketAsyncEventArgs e


Type: System.Net.Sockets.SocketAsyncEventArgs
The System.Net.Sockets.SocketAsyncEventArgs object used to request the connection to the remote host by calling one of the ConnectAsync methods.


The e parameter cannot be null and the SocketAsyncEventArgs.RemoteEndPoint cannot be null.


An error occurred when attempting to access the socket.


The Socket has been closed.


A caller higher in the call stack does not have permission for the requested operation.

The CancelConnectAsync method cancels an asynchronous request for a remote host connection.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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