public override int Read(byte[] buffer, int offset, int size)
{
if (_timeout <= 0)
{
return(_port.Read(buffer, offset, size));
}
else
{
IAsyncResult ar = _port.BeginRead(buffer, offset, size, null, null);
if (_timeout > 0 && !ar.IsCompleted)
{
ar.AsyncWaitHandle.WaitOne(_timeout, false);
if (!ar.IsCompleted)
{
throw new RemotingTimeoutException();
}
}
return(_port.EndRead(ar));
}
} // Read
