private static void ConsoleMain(string[] args)
 {
     if (!int.TryParse(args[2], out int output_mask))
     {
           Console.WriteLine("Invalid argument 2.");
           return;
    }

    //set outputs according the mask
    for (i = 0; i < io_count; i++)
    {
        if ((output_mask & (1 << i)) > 0)
            digital_outputs[i].State = true;
        else
           digital_outputs[i].State = false;
    }
         
    Console.ReadKey();

}

static string SendCommand(string exe_name, string args)
        {
            /* Create a new process object*/
            Process proc = new Process();
            /* StartInfo contains the startup information of the new process */
            proc.StartInfo.FileName = exe_name;
            proc.StartInfo.Arguments = args;
            /* These two optional flags ensure that no DOS window appears */
            proc.StartInfo.UseShellExecute = false;
            proc.StartInfo.CreateNoWindow = true;
            /* This ensures that you get the output from the DOS application */
            proc.StartInfo.RedirectStandardOutput = true;
            try
            {
                // Start the process
                proc.Start();
                // Wait that the process exits
                proc.WaitForExit();
                // Now read the output of the DOS application 
                return proc.StandardOutput.ReadToEnd().ToString();
            }
            catch (Exception ex)
            {
                return "Error: " + ex.Message;
            }
        }

for (i = 0; i < io_count; i++)
    {
        if ((output_mask & (1 << i)) > 0)
            digital_outputs[i].State = true;
        else
           digital_outputs[i].State = false;
    }