[Mono-bugs] [Bug 693370] SerialPort.Open() does not throw an exception if serial port is already open by another application

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https://bugzilla.novell.com/show_bug.cgi?id=693370

https://bugzilla.novell.com/show_bug.cgi?id=693370#c1


--- Comment #1 from Brennen Ball <brennen at diyembedded.com> 2011-05-12 12:56:31 UTC ---
I noticed a problem in the above code snippet.  It should read:

void TestFunc()
{
   SerialPort serPort = new SerialPort();
   serPort.PortName = "/dev/ttyS0";

   try
   {
      serPort.Open();
      MessageBox.Show(serPort.PortName + " opened successfully");


      if (serPort.IsOpen)
      {
         serPort.Close();
      }
   }
   catch (Exception e)
   {
      MessageBox.Show(e.ToString());
   }
}

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