Windows Phone Development Common Tips-quit app upgrade (double exit in three seconds)

Source: Internet
Author: User
Tags exit in

Set a DispatcherTimer control to execute exit logic when the return key is clicked again within three seconds
  Public voidExitby2click (System.ComponentModel.CancelEventArgs e) {if(!isexit) {Isexit=true; E.cancel=true; _timer=NewDispatcherTimer (); _timer.                Start (); SYSTEMTRAYMESSAGE.INSTANCE.STARTADV ("Press once again to exit",3,false); _timer. Interval= Timespan.fromseconds (3); _timer. Tick+ = (sender, ee) = ={isexit=false; E.cancel=false; _timer.                Stop ();                }; return; }            Else            {                        while(NavigationService.BackStack.Any ()) navigationservice.removebackentry (); Base. Onbackkeypress (NewCancelEventArgs ()); //App.Current.Terminate (); //new Microsoft.Xna.Framework.Game (). Exit ();//WP7}
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