Royce Roy Total Post:149 Points:1043 Posted by Royce Roy March-06-2014 23:00 PM WPF WPF 1 Reply(s) 1700 View(s) Ratings: Rate this: I am developing a WPF application. I need some variables/information not to destroy until user closes that application. Which method is best? Static Class with static variables? Moreover what is the best practice in this scenario?