public GCodeJob()
{
InitializeComponent();
this.grblState.State = GrblStates.Unknown;
this.grblState.Substate = 0;
this.GCodeView.DragEnter += new DragEventHandler(UserUI_DragEnter);
this.GCodeView.DragDrop += new DragEventHandler(UserUI_DragDrop);
this.GCodeView.AutoGenerateColumns = false;
this.btnStart.Click += new EventHandler(btnStart_Click);
this.btnStop.Click += new EventHandler(btnStop_Click);
this.btnHold.Click += new EventHandler(btnHold_Click);
this.btnRewind.Click += new EventHandler(btnRewind_Click);
this.MPGMode = false;
this.ActiveControl = this.GCodeView;
this.poller = new PollGrbl();
this.polling = new Thread(new ThreadStart(poller.run));
polling.Start();
System.Threading.Thread.Sleep(100);
// while (!polling.IsAlive);
}