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MediaTransportControls.ThumbnailRequested 事件

  • 參考

定義

命名空間:
Windows.UI.Xaml.Controls
編輯

每當應用程式需要在使用者執行搜尋作業時顯示與搜尋列連續的縮圖時發生。

// Register
event_token ThumbnailRequested(TypedEventHandler<MediaTransportControls, MediaTransportControlsThumbnailRequestedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
MediaTransportControls::ThumbnailRequested_revoker ThumbnailRequested(auto_revoke_t, TypedEventHandler<MediaTransportControls, MediaTransportControlsThumbnailRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<MediaTransportControls,MediaTransportControlsThumbnailRequestedEventArgs> ThumbnailRequested;
function onThumbnailRequested(eventArgs) { /* Your code */ }
mediaTransportControls.addEventListener("thumbnailrequested", onThumbnailRequested);
mediaTransportControls.removeEventListener("thumbnailrequested", onThumbnailRequested);
- or -
mediaTransportControls.onthumbnailrequested = onThumbnailRequested;
Public Custom Event ThumbnailRequested As TypedEventHandler(Of MediaTransportControls, MediaTransportControlsThumbnailRequestedEventArgs)

事件類型

TypedEventHandler<MediaTransportControls,MediaTransportControlsThumbnailRequestedEventArgs>

Windows 需求

裝置系列
Windows 10 Anniversary Edition (已於 10.0.14393.0 引進)
API contract
Windows.Foundation.UniversalApiContract (已於 v3.0 引進)

備註

只有在 MediaTransportControls 與 MediaPlayerElement搭配使用時，才會引發此事件。 當 MediaTransportControls 與 MediaElement搭配使用時，不會引發此事件。

適用於

產品 版本
WinRT Build 14383, Build 15063, Build 16299, Build 17134, Build 17763, Build 18362, Build 19041, Build 20348, Build 22000, Build 22621, Build 26100