Timer to close the application

Question

How to make a timer which forces the application to close at a specified time in C#? I have something like this:

void  myTimer_Elapsed(object sender, System.         


        

Answer 1

Task.Delay(9000).ContinueWith(_ =>
            {
                this.Dispatcher.Invoke((Action)(() =>
                {
                    this.Close();
                }));
            }
            );