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Asked: 2026-05-20T17:27:49+00:00

I have created 2 windows form applications in a c# program. I did this:

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I have created 2 windows form applications in a c# program. I did this: 

Application.Run(new Form1());
Application.Run(new Form2());

The second form is not loading.Why? how can i resolve this problem? i would like to activate both these forms in the same time. Each of this form application loades a different method. I would like to somehow create a paralel process for each of these forms.

solution and problem:
i’ve created 2 threads – for the 2 forms. This forms call the parent form. The thing is that the parent form has a vector in which i would like to continuously add elements from the form. I’ve noticed that the vector is reinitialized every time the thread is reactivated. how to change this thing?

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1 Answer

  1. Editorial Team

    Because Application.Run is blocking. It’s running the application on the current thread. You’d have to start 2 separate threads with one of the Application.Run commands in each of them.

    The best course of action would be to open one of the two in a separate thread.

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