C#winform the mouse 30 seconds to close the window

    Public partial class Baseform:form {private timer timer;        int x, y;        DateTime start;         BOOL FF = true;            Public BaseForm () {timer = new timer ();            x = control.mouseposition.x;            y = control.mouseposition.y; Timer.            Interval = 1000; Timer.            Tick + = new EventHandler (Timer_tick); Timer.        Start ();            } protected void Timer_tick (object sender, EventArgs e) {int x1 = control.mouseposition.x;            int y1 = CONTROL.MOUSEPOSITION.Y;                if ((x = = x1) && (y = = y1) && ff) {start = DateTime.Now;            FF = false;                } if (x! = X1 | | Y! = y1) {x = x1;                y = y1;                start = DateTime.Now;            FF = true;            } TimeSpan ts = DateTime.Now.Subtract (start); if (TS.  Seconds > 5) environment.exit (0);Change 5 to 30, which is 30 seconds} protected override bool processCmdKey (ref Message msg, Keys keyData) {St            Art = DateTime.Now; Return base.        processCmdKey (ref msg, keyData); }    }

C#winform the mouse 30 seconds to close the window