Function BeginSend ( _
	buffer As Byte(), _
	offset As Integer, _
	count As Integer, _
	socketFlags As SocketFlags, _
	callback As AsyncCallback, _
	state As Object _
) As IAsyncResult

IAsyncResult BeginSend(
	byte[] buffer,
	int offset,
	int count,
	SocketFlags socketFlags,
	AsyncCallback callback,
	Object state
)