我有以下代码:publicMainPage(){this.InitializeComponent();this.ManipulationStarting+=MainPage_ManipulationStarting;this.ManipulationStarted+=MainPage_ManipulationStarted;this.ManipulationInertiaStarting+=MainPage_ManipulationInertiaStarting;this.ManipulationDelta+=MainPage_ManipulationDelta;this.Manipu