MediaSource.StateChanged 事件

定义

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)

适用于