Windows.Storage Windows.Storage Windows.Storage Windows.Storage Namespace

Some information relates to pre-released product which may be substantially modified before it’s commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Prerelease APIs are identified by a Prerelease label.

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[This namespace contains one or more prerelease APIs.]
Provides classes for managing files, folders, and application settings.

For info about how to use the objects in the Windows.Storage namespace, see the following sections.

Classes

AppDataPaths AppDataPaths AppDataPaths AppDataPaths	[Contains prerelease APIs.]
ApplicationData ApplicationData ApplicationData ApplicationData	Provides access to the application data store. Application data consists of files and settings that are either local, roaming, or temporary.
ApplicationDataCompositeValue ApplicationDataCompositeValue ApplicationDataCompositeValue ApplicationDataCompositeValue	Represents related app settings that must be serialized and deserialized atomically.
ApplicationDataContainer ApplicationDataContainer ApplicationDataContainer ApplicationDataContainer	Represents a container for app settings. The methods and properties of this class support creating, deleting, enumerating, and traversing the container hierarchy.
ApplicationDataContainerSettings ApplicationDataContainerSettings ApplicationDataContainerSettings ApplicationDataContainerSettings	Provides access to the settings in a settings container. The ApplicationDataContainer.Values property returns an object that can be cast to this type.
CachedFileManager CachedFileManager CachedFileManager CachedFileManager	Lets apps manage real-time updates to files.
DownloadsFolder DownloadsFolder DownloadsFolder DownloadsFolder	Creates files and folders inside the Downloads folder.
FileIO FileIO FileIO FileIO	Provides helper methods for reading and writing files that are represented by objects of type IStorageFile.
KnownFolders KnownFolders KnownFolders KnownFolders	Provides access to common locations that contain user content. This includes content from a user's local libraries (such as Documents, Pictures, Music, and Videos), HomeGroup, removable devices, and media server devices.
PathIO PathIO PathIO PathIO	Provides helper methods for reading and writing a file using the absolute path or Uniform Resource Identifier (URI) of the file.
SetVersionDeferral SetVersionDeferral SetVersionDeferral SetVersionDeferral	Manages a delayed set version operation.
SetVersionRequest SetVersionRequest SetVersionRequest SetVersionRequest	Provides data when an app sets the version of the application data in its app data store.
StorageFile StorageFile StorageFile StorageFile	Represents a file. Provides information about the file and its content, and ways to manipulate them.
StorageFolder StorageFolder StorageFolder StorageFolder	Manages folders and their contents and provides information about them.
StorageLibrary StorageLibrary StorageLibrary StorageLibrary	[Contains prerelease APIs.] Lets you add and remove folders from a library like Music or Videos and lets you get a list of folders included in the library.
StorageLibraryChange StorageLibraryChange StorageLibraryChange StorageLibraryChange	Represents a change to an item in a storage library such as the documents, music, or video library.
StorageLibraryChangeReader StorageLibraryChangeReader StorageLibraryChangeReader StorageLibraryChangeReader	Enables the calling app to read through the changes to items in a storage library.
StorageLibraryChangeTracker StorageLibraryChangeTracker StorageLibraryChangeTracker StorageLibraryChangeTracker	Provides APIs that you can use to manage change tracking for any library in the system such as documents, music, or videos.
StorageProvider StorageProvider StorageProvider StorageProvider	[Contains prerelease APIs.] Contains info about the service that stores files and folders. Files and folders may be stored either by the local file system or by a remote service like Microsoft OneDrive.
StorageStreamTransaction StorageStreamTransaction StorageStreamTransaction StorageStreamTransaction	Represents a write transaction for a random-access stream.
StreamedFileDataRequest StreamedFileDataRequest StreamedFileDataRequest StreamedFileDataRequest	Represents a sequential-access output stream that indicates a request for the data stream of a StorageFile that was created by calling CreateStreamedFileAsync or ReplaceWithStreamedFileAsync.
SystemAudioProperties SystemAudioProperties SystemAudioProperties SystemAudioProperties	A helper object that provides indexing names for Windows audio file properties.
SystemDataPaths SystemDataPaths SystemDataPaths SystemDataPaths	[Contains prerelease APIs.]
SystemGPSProperties SystemGPSProperties SystemGPSProperties SystemGPSProperties	A helper object that provides indexing names for GPS file properties.
SystemImageProperties SystemImageProperties SystemImageProperties SystemImageProperties	A helper object that provides indexing names for Windows image file properties.
SystemMediaProperties SystemMediaProperties SystemMediaProperties SystemMediaProperties	A helper object that provides indexing names for Windows media file properties.
SystemMusicProperties SystemMusicProperties SystemMusicProperties SystemMusicProperties	A helper object that provides indexing names for Windows music file properties.
SystemPhotoProperties SystemPhotoProperties SystemPhotoProperties SystemPhotoProperties	A helper object that provides indexing names for Windows photo file properties.
SystemProperties SystemProperties SystemProperties SystemProperties	Provides string values for indexing names of common Windows file properties such as System.Title, and also references helper objects that provide indexing names for properties of specific file types (for example video files).
SystemVideoProperties SystemVideoProperties SystemVideoProperties SystemVideoProperties	A helper object that provides indexing names for video file properties.
UserDataPaths UserDataPaths UserDataPaths UserDataPaths	[Contains prerelease APIs.]

Interfaces

IStorageFile IStorageFile IStorageFile IStorageFile	Represents a file. Provides information about the file and its contents, and ways to manipulate them. Important If you simply want to work with files in your app, see the StorageFile class.
IStorageFile2 IStorageFile2 IStorageFile2 IStorageFile2	Represents a file. Provides information about the file and its contents, and ways to manipulate them. Important If you simply want to work with files in your app, see the StorageFile class.
IStorageFilePropertiesWithAvailability IStorageFilePropertiesWithAvailability IStorageFilePropertiesWithAvailability IStorageFilePropertiesWithAvailability	Provides access to the IsAvailable property.
IStorageFolder IStorageFolder IStorageFolder IStorageFolder	Manipulates folders and their contents, and provides information about them. Important If you simply want to work with folders in your app, see the StorageFolder class.
IStorageFolder2 IStorageFolder2 IStorageFolder2 IStorageFolder2	Manipulates folders and their contents, and provides information about them. Important If you simply want to work with folders in your app, see the StorageFolder class.
IStorageItem IStorageItem IStorageItem IStorageItem	Manipulates storage items (files and folders) and their contents, and provides information about them. Important If you simply want to work with files and folders in your app, see the StorageFile and StorageFolder classes.
IStorageItem2 IStorageItem2 IStorageItem2 IStorageItem2	Manipulates storage items (files and folders) and their contents, and provides information about them. Important If you simply want to work with files and folders in your app, see the StorageFile and StorageFolder classes.
IStorageItemProperties IStorageItemProperties IStorageItemProperties IStorageItemProperties	Provides access to common and content properties on items (like files and folders).
IStorageItemProperties2 IStorageItemProperties2 IStorageItemProperties2 IStorageItemProperties2	Provides access to methods that get a scaled image as a thumbnail.
IStorageItemPropertiesWithProvider IStorageItemPropertiesWithProvider IStorageItemPropertiesWithProvider IStorageItemPropertiesWithProvider	Provides access to common and content properties on storage items from a particular provider.
IStreamedFileDataRequest IStreamedFileDataRequest IStreamedFileDataRequest IStreamedFileDataRequest	Represents a sequential-access output stream that indicates a request for the data stream of a StorageFile that was created by calling CreateStreamedFileAsync or ReplaceWithStreamedFileAsync.

Enums

ApplicationDataCreateDisposition ApplicationDataCreateDisposition ApplicationDataCreateDisposition ApplicationDataCreateDisposition	Specifies options for creating application data containers or returning existing containers. This enumeration is used by the ApplicationDataContainer.CreateContainer method.
ApplicationDataLocality ApplicationDataLocality ApplicationDataLocality ApplicationDataLocality	Specifies the type of an application data store.
CreationCollisionOption CreationCollisionOption CreationCollisionOption CreationCollisionOption	Specifies what to do if a file or folder with the specified name already exists in the current folder when you create a new file or folder.
FileAccessMode FileAccessMode FileAccessMode FileAccessMode	Specifies whether to access a file in read-only mode or in read/write mode.
FileAttributes FileAttributes FileAttributes FileAttributes	Describes the attributes of a file or folder.
KnownFolderId KnownFolderId KnownFolderId KnownFolderId	Provides values that identify storage folders.
KnownLibraryId KnownLibraryId KnownLibraryId KnownLibraryId	Provides values that identify storage libraries.
NameCollisionOption NameCollisionOption NameCollisionOption NameCollisionOption	Specifies what to do if a file or folder with the specified name already exists in the current folder when you copy, move, or rename a file or folder.
StorageDeleteOption StorageDeleteOption StorageDeleteOption StorageDeleteOption	Specifies whether a deleted item is moved to the Recycle Bin or permanently deleted.
StorageItemTypes StorageItemTypes StorageItemTypes StorageItemTypes	Describes whether an item that implements the IStorageItem interface is a file or a folder.
StorageLibraryChangeType StorageLibraryChangeType StorageLibraryChangeType StorageLibraryChangeType	Describes the type of change that occurred to the storage library item.
StorageOpenOptions StorageOpenOptions StorageOpenOptions StorageOpenOptions	Provides options to use when opening a file.
StreamedFileFailureMode StreamedFileFailureMode StreamedFileFailureMode StreamedFileFailureMode	Indicates the reason that data could not be streamed.

Delegates

ApplicationDataSetVersionHandler ApplicationDataSetVersionHandler ApplicationDataSetVersionHandler ApplicationDataSetVersionHandler	Represents a method that handles the request to set the version of the application data in the application data store.
StreamedFileDataRequestedHandler StreamedFileDataRequestedHandler StreamedFileDataRequestedHandler StreamedFileDataRequestedHandler	Represents the method that will stream data into a StorageFile when that file is first accessed.

Windows.Storage Windows.Storage Windows.Storage Windows.Storage Namespace

Classes

Interfaces

Important

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Enums

Delegates

See Also