public IAsyncResult BeginSendFile (string fileName, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, AsyncCallback callback, object state)
{
ThrowIfDisposedAndClosed ();
if (!is_connected)
throw new NotSupportedException ();
if (!File.Exists (fileName))
throw new FileNotFoundException ();
SendFileHandler handler = new SendFileHandler (SendFile);
return new SendFileAsyncResult (handler, handler.BeginInvoke (fileName, preBuffer, postBuffer, flags, ar => callback (new SendFileAsyncResult (handler, ar)), state));
}
public IAsyncResult BeginSendFile (string fileName,
byte[] preBuffer,
byte[] postBuffer,
TransmitFileOptions flags,
AsyncCallback callback,
object state)
{
if (disposed && closed)
throw new ObjectDisposedException (GetType ().ToString ());
if (!connected)
throw new NotSupportedException ();
if (!File.Exists (fileName))
throw new FileNotFoundException ();
SendFileHandler d = new SendFileHandler (SendFile);
return new SendFileAsyncResult (d, d.BeginInvoke (fileName, preBuffer, postBuffer, flags, ar => {
SendFileAsyncResult sfar = new SendFileAsyncResult (d, ar);
callback (sfar);
}, state));
}