通过

SoundLevelBroker 类

  • 参考

定义

命名空间:
Windows.Media.Core.Preview
编辑

提供有关应用当前音量如何受系统策略影响的信息。

public ref class SoundLevelBroker abstract sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 262144)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class SoundLevelBroker final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 262144)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public static class SoundLevelBroker
Public Class SoundLevelBroker
继承
Object Platform::Object IInspectable SoundLevelBroker
属性
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 要求

设备系列
Windows 10 Creators Update (在 10.0.15063.0 中引入)
API contract
Windows.Foundation.UniversalApiContract (在 v4.0 中引入)

属性

SoundLevel

获取应用的当前音量。

事件

SoundLevelChanged

当系统策略更改应用的声音级别时发生。

适用于