dexinfo | A very rudimentary Android DEX file parser | Parser library

What your program is basically doing is it runs the Form, downloads the zip file, processes the zip file and that's it.

You will need to do all this in the form's form_load event or a button click event instead of the Main().

1. remove the Application.Run(new form1) from the beginning of the code. Not required.
2. Move everything before the last Application.Run(new Form1) [Note this is with 'F' which is the correct one] to the a private function inside the form. Let's call it processFile()
3. Call this processFile() in the Form1_Load() event.
4. Assign m to the DataGridView's data property and call DataGridView.Bind() to bind the data to the datagrid control.

UPDATE: Since you have a button and a Button_Click event, put the processFile() in the Button's click event. When the form is displayed, click the button to get the whole process running

For your specific error of "cannot create an instance of the abstract class or interface IList", the problem is that you're trying to create an instance of an interface. You want a concrete class. For example, List implements IList so you can do