FileInformation.ThumbnailUpdated 事件
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
當 StorageFile的縮圖更新或有更好的品質縮圖可供使用時引發。
// Register
event_token ThumbnailUpdated(TypedEventHandler<IStorageItemInformation, IInspectable const&> const& handler) const;
// Revoke with event_token
void ThumbnailUpdated(event_token const* cookie) const;
// Revoke with event_revoker
FileInformation::ThumbnailUpdated_revoker ThumbnailUpdated(auto_revoke_t, TypedEventHandler<IStorageItemInformation, IInspectable const&> const& handler) const;
public event TypedEventHandler<IStorageItemInformation,object> ThumbnailUpdated;
function onThumbnailUpdated(eventArgs) { /* Your code */ }
fileInformation.addEventListener("thumbnailupdated", onThumbnailUpdated);
fileInformation.removeEventListener("thumbnailupdated", onThumbnailUpdated);
- or -
fileInformation.onthumbnailupdated = onThumbnailUpdated;
Public Custom Event ThumbnailUpdated As TypedEventHandler(Of IStorageItemInformation, Object) Implements ThumbnailUpdated
事件類型
TypedEventHandler<IStorageItemInformation,IInspectable>