An Overview of Files and Folders
The core representation of storage objects in the Windows Runtime is the IStorageItem interface. It supports rename and delete operations, and getting/setting basic properties. Additional methods are placed on an IStorageItem2 interface: IsEqual, which reports if two IStorageItems are the same, and GetParentAsync, which returns the parent folder if you can access it. GetParentAsync is useful if all you have is a file but you want to save a separate file alongside it in the same folder.
Two classes implement IStorageItem (and IStorageItem2): StorageFile and StorageFolder. On top of StorageItem, StorageFile supports move and copy operations, getting extended properties and thumbnails, and being opened as a stream. ...
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