How to make a WPF window be on top of all other windows of my app (not system wide)?

Question

I want my window to be on top of all other windows in my application only. If I set the TopMost property of a window, it becomes on top of all windows of al

Answer 1

CustomWindow cw = new CustomWindow();

cw.Owner = Application.Current.MainWindow;

cw.ShowInTaskbar = false;

cw.ShowDialog() ;