Begins asynchronous SendCommand operation.
Executes a command on the SMTP server.
Namespace:
Rebex.Net
Assembly:
Rebex.Smtp (in Rebex.Smtp.dll)
Syntax
Visual Basic |
---|
Public Function BeginSendCommand ( _ command As String, _ callback As AsyncCallback, _ state As Object _ ) As IAsyncResult |
C# |
---|
public IAsyncResult BeginSendCommand( string command, AsyncCallback callback, Object state ) |
Parameters
- command
- Type: System..::..String
Command (e.g. "HELP").
- callback
- Type: System..::..AsyncCallback
An optional asynchronous callback to be called when the operation is complete.
- state
- Type: System..::..Object
A user-provided object that identifies this particular asynchronous operation.
Return Value
An IAsyncResult that references the asynchronous operation.Remarks
Must be followed by a call to ReadResponse method.
Use ReadResponse and SendCommand to implement various custom commands.
In builds for .NET 4.0 and higher, this method is available as an extension method. Add 'using Rebex.Legacy' (C#) or 'Import Rebex.Legacy' (VB.NET) to your code in order to use it.