private void ReceiveCallback(IAsyncResult asyncResult)
{
try
{
// Retrieve the state object and the clientSocket socket from the asynchronous state object.
CallbackReceiveState callbackReceiveState = ( CallbackReceiveState )asyncResult.AsyncState;
// Read data from the remote device.
int bytesRead = ConnectedSocket.EndReceive(asyncResult);
if (bytesRead > 0)
{
Logger.WriteEntry("ReceiveCallBack() Received " + bytesRead.ToString());
// Accumulate the received text.
string receivedText = Encoding.ASCII.GetString(callbackReceiveState.ReceiveBuffer, 0, bytesRead);
callbackReceiveState.Sb.Append(receivedText);
// Recursively get the rest of the data.
BeginReceive();
}
else
{
Logger.WriteEntry("ReceiveCallBack() Received 0 bytes. Should be done. ");
// All the text has arrived.
if (callbackReceiveState.Sb.Length > 1)
{
this.ReceivedText = callbackReceiveState.Sb.ToString();
}
Logger.WriteEntry("ReceiveDoneEvent.Set() to signal completion.");
// Signal the completion of the message.
ReceiveDoneEvent.Set();
}
}
catch (Exception e)
{
Logger.WriteEntry(e.ToString());
}
}
protected void InitializeAsyncReceive()
{
ReceivedText = "";
ReceiveDoneEvent.Reset();
ReceiveState = new CallbackReceiveState();
}