private void ThreadJob()
{
int lpNumberOfBytesRead = 0;
while ((comDevice.ToInt32() > 0) && comThread.IsAlive)
{
try
{
int num2;
COMSTAT comstat;
ulong lineStatus = GetLineStatus(comDevice);
if (m_LineStatus != lineStatus)
{
m_LineStatus = lineStatus;
if (NeedSynchronization)
{
lock (synchronizeVariable)
{
OnLineStatusChanged(new LineStatusEventArgs(lineStatus));
}
}
else
OnLineStatusChanged(new LineStatusEventArgs(lineStatus));
}
comstat = new COMSTAT();
NativeMethods.ClearCommError(comDevice, out num2, ref comstat);
int cbInQue = comstat.cbInQue;
if ((cbInQue > 0 && comDevice.ToInt32() > 0) && comThread.IsAlive)
{
byte[] buffer = new byte[cbInQue];
m_IsReceiving = true;
NativeMethods.ReadFile(comDevice, buffer, cbInQue, ref lpNumberOfBytesRead, 0);
m_IsReceiving = false;
if (lpNumberOfBytesRead > 0)
{
if (NeedSynchronization)
{
lock (synchronizeVariable)
{
OnReceived(new DataEventArgs(buffer));
}
}
else
OnReceived(new DataEventArgs(buffer));
}
}
}
catch
{
m_IsReceiving = false;
}
if (comDevice.ToInt32() > 0 && comThread.IsAlive)
{
Thread.Sleep(Delay);
}
}
}
internal static extern int ClearCommError(IntPtr hFile, out int lpErrors, ref COMSTAT lpComStat);