'宣言 Public Class C1HeaderedContentControl Inherits Microsoft.UI.Xaml.Controls.ContentControl Implements Microsoft.UI.Composition.IAnimationObject, Microsoft.UI.Composition.IVisualElement, Microsoft.UI.Composition.IVisualElement2, WinRT.IWinRTObject
public class C1HeaderedContentControl : Microsoft.UI.Xaml.Controls.ContentControl, Microsoft.UI.Composition.IAnimationObject, Microsoft.UI.Composition.IVisualElement, Microsoft.UI.Composition.IVisualElement2, WinRT.IWinRTObject