C#

void Yay()
{
   ThreadStart starter = new ThreadStart(DoWork);
   Thread thread = new Thread(starter);
   thread.Start();
}

void DoWork()
{
   while(!perfectCircle)
   {
      DoSomething();
   }
}

saanj wrote:

Either you can sue System.Diagnostic.Process.Start

protected override void WndProc(ref Message m)
{
    if (m.Msg == 0x0084 /*WM_NCHITTEST*/)
    {
        m.Result = (IntPtr)2;   // HTCLIENT
        return;
    }
    base.WndProc(ref m);
}

AobotProc = new Process();
AobotProc.StartInfo.FileName = AOPath + "//" + AOExe;
AobotProc.StartInfo.Arguments = "-run -hide";
AobotProc.StartInfo.WorkingDirectory = AOPath;
AobotProc.EnableRaisingEvents = true;
AobotProc.Start();
AobotProc.Exited += new EventHandler(aobot_proc_Exited);

if (AobotProc != null && !AobotProc.HasExited)
{
    if (!AobotProc.CloseMainWindow())
        AobotProc.Kill();
}