C# windows form not closing

The code for this is below: this. FormClosingEventHandler this. Switch to the Design view of your Form in Visual Studio and follow these steps: If the Properties window is not visible, in Design view, right-click on the form for which you want to create the event handler, and select Properties.

On top of the Properties window, click the Events icon. Double-click the FormClosing event. Visual C creates an empty event handler method and adds it to your code automatically. Further Enhancements If you have implemented one of the above examples you have successfully prevented users from closing your form. UserClosing: if MessageBox. Show "Are you sure you want to exit? Abhishek Tiwary Link Reply. Form is not closed after using this above code.

Rupesh Jaiswal Link Reply. Android Link Reply. Use this…. Eduardo Rodrigues Link Reply. Recursively Search Directories. Windows Forms Event Sequence. Improve this answer. George Findulov George Findulov 5 5 silver badges 14 14 bronze badges. Community Bot 1 1 1 silver badge. Tom Tom 2, 19 19 silver badges 15 15 bronze badges. Upon closer inspection, this error only occurs when a button is pressed that switches to my project's second form.

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Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. How can I resolve it? Thanks for this suggestion. I tried to do this. Did I make a mistake? You did try Application.

It definately is your thread that is causing the issue! A managed process exits if these two conditions are met: 1. The Main method is finished. All "Foreground" threads have finished. As the TcpListener is a worker thread, you should set "lT. This will tell the CLR that it is a background thread and then the thread will not block the application from exiting.

The you won't have to call "Environment. Exit ". Calling Environment. Exit is a dirty way to exit an application as it partly prevents finalizers from executing which can prevent your objects from cleaning up their resources properly. So this method is to be avoided. Windows Forms General. Sign in to vote. Does someone know how to do?

Thanks, walker. Tuesday, March 20, AM. Hi, slow walker There are two ways to do so: Method 1 simplest way : Set form. InteropServices Thank you.