SystemMediaTransportControls.ShuffleEnabledChangeRequested 事件

定义

当用户修改 SystemMediaTransportControls 随机状态时发生。

// Register
event_token ShuffleEnabledChangeRequested(TypedEventHandler<SystemMediaTransportControls, ShuffleEnabledChangeRequestedEventArgs const&> const& handler) const;

// Revoke with event_token
void ShuffleEnabledChangeRequested(event_token const* cookie) const;

// Revoke with event_revoker
SystemMediaTransportControls::ShuffleEnabledChangeRequested_revoker ShuffleEnabledChangeRequested(auto_revoke_t, TypedEventHandler<SystemMediaTransportControls, ShuffleEnabledChangeRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<SystemMediaTransportControls,ShuffleEnabledChangeRequestedEventArgs> ShuffleEnabledChangeRequested;
function onShuffleEnabledChangeRequested(eventArgs) { /* Your code */ }
systemMediaTransportControls.addEventListener("shuffleenabledchangerequested", onShuffleEnabledChangeRequested);
systemMediaTransportControls.removeEventListener("shuffleenabledchangerequested", onShuffleEnabledChangeRequested);
- or -
systemMediaTransportControls.onshuffleenabledchangerequested = onShuffleEnabledChangeRequested;
Public Custom Event ShuffleEnabledChangeRequested As TypedEventHandler(Of SystemMediaTransportControls, ShuffleEnabledChangeRequestedEventArgs) 

事件类型

注解

注册此事件会导致 在 SystemMediaTransportControls 随机状态更改时通知应用。 应用可以根据请求更改其随机状态,也可以忽略该请求并通过将 ShuffleEnabled 属性设置为反映应用的实际随机状态的值来更新 SystemMediaTransportControls

适用于