What is the equivalent to “OnBackKeyPress”
问题 In Windows Phone 8.0 I used this to handle the back button: protected override void OnBackKeyPress(CancelEventArgs e) { base.OnBackKeyPress(e); } This Event does not exists on the "Page" control. How can I handle a click on the back button in WP 8.1? 回答1: Take a look at Windows.Phone.UI.Input.HardwareButtons. If you add a Basic Page to your project then VS will add a NavigationHelper class to your project which helps with Navigating thru your App, you can also see in the source code that it