How to change title bar image in WPF Window?

Question

How to change the titile bar image (the top-left most icon) in WPF?

Answer 1

or in code

// Set an icon using code
Uri iconUri = new Uri("pack://application:,,,/WPFIcon2.ico", UriKind.RelativeOrAbsolute);
this.Icon = BitmapFrame.Create(iconUri);

Source: Window.Icon Property