MediaFrameSource.FormatChanged 事件

定义

命名空间:

Windows.Media.Capture.Frames

当 MediaFrameSource 的当前帧格式更改时发生。

// Register
event_token FormatChanged(TypedEventHandler<MediaFrameSource, IInspectable const&> const& handler) const;

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

// Revoke with event_revoker
MediaFrameSource::FormatChanged_revoker FormatChanged(auto_revoke_t, TypedEventHandler<MediaFrameSource, IInspectable const&> const& handler) const;

public event TypedEventHandler<MediaFrameSource,object> FormatChanged;

function onFormatChanged(eventArgs) { /* Your code */ }
mediaFrameSource.addEventListener("formatchanged", onFormatChanged);
mediaFrameSource.removeEventListener("formatchanged", onFormatChanged);
- or -
mediaFrameSource.onformatchanged = onFormatChanged;

Public Custom Event FormatChanged As TypedEventHandler(Of MediaFrameSource, Object) 

事件类型

TypedEventHandler<MediaFrameSource,Object>

TypedEventHandler<MediaFrameSource,IInspectable>

注解

通过访问 CurrentFormat 属性获取媒体帧源的当前帧格式。