monkey_boys monkey_boys - 1 year ago 87
C# Question

How to close all running threads?

When I use

foreach (Form form in Application.OpenForms)


it does not exit the Application. How can I exit the application and make sure all running thread are closed?

Answer Source

You don't show the use of any threads in your code, but let's suppose you do have threads in it. To close all your threads you should set all of them to background threads before you start them, then they will be closed automatically when the application exits, e.g.:

Thread myThread = new Thread(...);
myThread.IsBackground = true; // <-- Set your thread to background

A "HOWTO: Stop Multiple Threads" article from microsoft:

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