MediaSource.StateChanged 事件
定义
重要
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当 MediaSource 的当前状态更改时发生。
// Register
event_token StateChanged(TypedEventHandler<MediaSource, MediaSourceStateChangedEventArgs const&> const& handler) const;
// Revoke with event_token
void StateChanged(event_token const* cookie) const;
// Revoke with event_revoker
MediaSource::StateChanged_revoker StateChanged(auto_revoke_t, TypedEventHandler<MediaSource, MediaSourceStateChangedEventArgs const&> const& handler) const;
public event TypedEventHandler<MediaSource,MediaSourceStateChangedEventArgs> StateChanged;
function onStateChanged(eventArgs) { /* Your code */ }
mediaSource.addEventListener("statechanged", onStateChanged);
mediaSource.removeEventListener("statechanged", onStateChanged);
- or -
mediaSource.onstatechanged = onStateChanged;
Public Custom Event StateChanged As TypedEventHandler(Of MediaSource, MediaSourceStateChangedEventArgs)
事件类型
Windows 要求
设备系列 |
Windows 10 (在 10.0.10586.0 中引入)
|
API contract |
Windows.Foundation.UniversalApiContract (在 v2.0 中引入)
|