SoundLevelBroker.SoundLevelChanged 事件

定义

命名空间:

Windows.Media.Core.Preview

当系统策略更改应用的声音级别时发生。

// Register
static event_token SoundLevelChanged(EventHandler<IInspectable> const& handler) const;

// Revoke with event_token
static void SoundLevelChanged(event_token const* cookie) const;

// Revoke with event_revoker
static SoundLevelBroker::SoundLevelChanged_revoker SoundLevelChanged(auto_revoke_t, EventHandler<IInspectable> const& handler) const;

public static event System.EventHandler<object> SoundLevelChanged;

function onSoundLevelChanged(eventArgs) { /* Your code */ }
Windows.Media.Core.Preview.SoundLevelBroker.addEventListener("soundlevelchanged", onSoundLevelChanged);
Windows.Media.Core.Preview.SoundLevelBroker.removeEventListener("soundlevelchanged", onSoundLevelChanged);
- or -
Windows.Media.Core.Preview.SoundLevelBroker.onsoundlevelchanged = onSoundLevelChanged;

Public Shared Custom Event SoundLevelChanged As EventHandler(Of Object) 

事件类型

EventHandler<Object>

EventHandler<Object>

EventHandler<IInspectable>

注解

在此事件的处理程序中，检查 SoundLevelBroker.SoundLevel 属性以获取新的声音级别。