I assume that you are talking about the forms. If so then just set the windowstate property in each form to maximized. Lobster Thermidor aux crevettes with a Mornay sauce, served in a Provençale manner with shallots and aubergines, garnished with truffle pate, brandy and a fried egg on top and Spam - Monty Python Spam Sketch

kurja-kurdoh wrote: i just want to know it will affect the other program In what way affect other program? All you are doing is adding items into a list.

Probably be easier and faster to find an OS command and use Runtime.exec.