Begins asynchronous GetMessageHeaders operation. Downloads the headers of a message with a specified number from the server and writes it into a supplied stream.

Namespace:  Rebex.Net
Assembly:  Rebex.Pop3 (in Rebex.Pop3.dll)

Syntax

Visual Basic
Public Function BeginGetMessageHeaders ( _
	sequenceNumber As Integer, _
	output As Stream, _
	callback As AsyncCallback, _
	state As Object _
) As IAsyncResult
C#
public IAsyncResult BeginGetMessageHeaders(
	int sequenceNumber,
	Stream output,
	AsyncCallback callback,
	Object state
)

Parameters

sequenceNumber
Type: System..::..Int32
The sequence number of the message to download headers from.
output
Type: System.IO..::..Stream
Stream that will receive the message headers.
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

"Uses POP3 "TOP 1" command to retrieve the headers.

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.

Version Information

.NET Compact Framework

Supported in: 3.9, 3.5

See Also