Smtp.BeginDisconnect Method

Begins an asynchronous request for a disconnection from the server.

public IAsyncResult BeginDisconnect(
AsyncCallback callback,
object state
);

callback: The AsyncCallback delegate. You can leave it a null reference (Nothing in Visual Basic) if you do not use callbacks.
state: An object that contains state information for this request. You can leave it a null reference (Nothing in Visual Basic).

An IAsyncResult that references the asynchronous disconnection.

This method is an asynchronous version of Disconnect.

Exception Type	Condition
MailBeeInvalidStateException	There is already an operation in progress.