How to catch the event of the window close button (red X button on window right top corner) in wpf form?
How to catch the event of the window close button(red X button on window right top corner) in wpf form ? We have got the closing event, window unloaded event also, but we want to show a pop up if he clicks the close button of the wpf form.
Help me Please.
Use the Closing event in the Window, you can handle it like this to prevent it from closing: