private void Config3rdPartyForm_Load(object sender, EventArgs e) { calib = j.GetCustomCalib(); calib2 = j.GetCustomCalib2(); g = Graphics.FromImage(LeftJoystick.BackgroundImage); g2 = Graphics.FromImage(RightJoystick.BackgroundImage); th = new Thread(Draw); th.IsBackground = true; th.Start(); }