Aah dang, I accidentally typed "double void" instead of just double and void in the Search(void) :mad: Now I've posted the wrong question :(

Because from some programs setting WindowStyle to invisible is not enough #region signature my articles #endregion

Hi, I would use ListBox.KeyDown event and a foreach loop over ListBox.SelectedItems to call ListBox.Remove :) Luc Pattyn [Forum Guidelines] [My Articles] this weeks tips: - make Visual display line numbers: Tools/Options/TextEditor/... - show exceptions with ToString() to see all information - before you ask a question here, search CodeProject, then Google

You will be able to get what you need if you use Process class. a)You can set Arguments property of ProcessStartInfo instance and then pass it to Process instance b)You can specify Hidden for WindowStyle property of ProcessStartInfo or set CreateNoWindow property to true c)I don't know what you mean by linking but if you start process by using Process class then you can retrieve its output if you set ProcessStartInfo's RedirectStandardOutput property to true #region signature my articles #endregion