通过

UIContentRoot 类

  • 参考

定义

命名空间:
Windows.UI
编辑

表示应用窗口或视图的 UI 元素树的根。

public ref class UIContentRoot sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 524288)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class UIContentRoot final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 524288)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class UIContentRoot
Public NotInheritable Class UIContentRoot
继承
Object Platform::Object IInspectable UIContentRoot
属性
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 要求

设备系列
Windows 10, version 1903 (在 10.0.18362.0 中引入)
API contract
Windows.Foundation.UniversalApiContract (在 v8.0 中引入)

属性

UIContext

获取内容根的上下文标识符。

适用于