What is the proper way to programmatically close a WinForms application after a certain time?

Question

I start my form in the usual way:

Application.Run(new MainForm());

I want it to open and run until a certain time, then close. I\'ve tried

Answer 1

If you use the System.Threading.Timer you can use the DueTime to set the first time it fires as the time you want to close your application

new System.Threading.Timer((o) => Application.Exit(), null, (Configs.EndService - DateTime.Now), TimeSpan.FromSeconds(0));
Application.Run(new Form1());