Share via

FileInformation.ThumbnailUpdated 事件

  • 参考

定义

命名空间:
Windows.Storage.BulkAccess
编辑

当 StorageFile 的缩略图更新或质量更好的缩略图可用时触发。

// 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

事件类型

TypedEventHandler<IStorageItemInformation,Object>

TypedEventHandler<IStorageItemInformation,IInspectable>

实现

ThumbnailUpdated

适用于