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# ProxySocket.BeginConnect Method (String, Int32, AsyncCallback, Object)

Begins an asynchronous request for a connection to a network device.

[Visual Basic]
Overloads Public Function BeginConnect( _
ByVal host As String, _
ByVal port As Integer, _
ByVal callback As AsyncCallback, _
ByVal state As Object _
) As IAsyncResult
[C#]
new public IAsyncResult BeginConnect(
string host,
int port,
AsyncCallback callback,
object state
);

#### Parameters

host
  The host to connect to.
port
  The port on the remote host to connect to.
callback
  The AsyncCallback delegate.
state
  An object that contains state information for this request.

#### Return Value

An IAsyncResult that references the asynchronous connection.

#### Exceptions

Exception Type | Condition
--- | ---
ArgumentNullException | The host parameter is a null reference (Nothing in Visual Basic).
ArgumentException | The port parameter is invalid.
SocketException | An operating system error occurs while creating the Socket.
ObjectDisposedException | The Socket has been closed.

#### See Also

ProxySocket Class | Org.Mentalis.Network.ProxySocket Namespace | ProxySocket.BeginConnect Overload List