two windows

Question

I have 2 windows. My program execute the first one.
Application.Run(new form1());
I want to close my first form when I click a button and run the second form. how can I do that?? if i say this.close() in the button_click() the aplication will stop and not execute the second form.

Alan · Answer

Generally, you can't close the main form, because if you do, it will stop the message loop, close all open windows and end the application.
The best you can do is to hide it using the Hide() method.