psi.RedirectStandardError = true;
        psi.RedirectStandardOutput = true;

        using (Process process = Process.Start(psi))
        {
          using (ManualResetEvent mreOut = new ManualResetEvent(false), mreErr = new ManualResetEvent(false))
          {
            try
            {
              process.OutputDataReceived += (o, e) =>
              {
                //Console.WriteLine("Output Received: {0}", e.Data);
                if (e.Data == null)
                  mreOut.Set();
                else if (output != null)
                  output(e.Data);
              };

              if (psi.RedirectStandardOutput)
                process.BeginOutputReadLine();

              process.ErrorDataReceived += (o, e) =>
              {
                //Console.WriteLine("Error Received: {0}", e.Data);
                if (e.Data == null)
                  mreErr.Set();
                else if (output != null)
                  output(e.Data);
              };

              if (psi.RedirectStandardError)
                process.BeginErrorReadLine();

              if (psi.RedirectStandardInput && input != null)
              {
                string line;
                while (null != (line = input.ReadLine()))
                  process.StandardInput.WriteLine(line);

                process.StandardInput.Close();
              }

              // Flush pipes
              process.WaitForExit();

              if (psi.RedirectStandardOutput)
                mreOut.WaitOne();

              if (psi.RedirectStandardError)
                mreErr.WaitOne();

              exitCode = process.ExitCode;

              return process.ExitCode;
            }
            catch (Exception ex)
            {
              Logger.Error(ex.Message);
              Logger.Error(ex.StackTrace);
            }
          }
        }
      }
      finally
      {
        Logger.Log("Completed ExitStatus: {0}", exitCode);
      }