How can I assign the 'Close on Escape-key press' behavior to all WPF windows within a project?

Question

Is there any straightforward way of telling the whole WPF application to react to Escape key presses by attempting to close the currently focused widow? It is not a great bo

Answer 1

create RoutedUICommand like below

 private static RoutedUICommand EscUICommand = new RoutedUICommand("EscBtnCommand"
       , "EscBtnCommand"
       , typeof(WindowName)
       , new InputGestureCollection(new InputGesture[] 
           { new KeyGesture(Key.Escape, ModifierKeys.None, "Close") }));

and add it command binding in constructor

CommandBindings.Add(new CommandBinding(EscUICommand, (sender, e) => { this.Hide(); }));