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

Definition

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

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

Represents related app settings that must be serialized and deserialized atomically.

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

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

Lets apps manage real-time updates to files.

DownloadsFolder DownloadsFolder DownloadsFolder

Creates files and folders inside the Downloads folder.

FileIO FileIO FileIO

Provides helper methods for reading and writing files that are represented by objects of type IStorageFile.

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

Provides helper methods for reading and writing a file using the absolute path or Uniform Resource Identifier (URI) of the file.

SetVersionDeferral SetVersionDeferral SetVersionDeferral

Manages a delayed set version operation.

SetVersionRequest SetVersionRequest SetVersionRequest

Provides data when an app sets the version of the application data in its app data store.

StorageFile StorageFile StorageFile

Represents a file. Provides information about the file and its content, and ways to manipulate them.

StorageFolder StorageFolder StorageFolder

Manages folders and their contents and provides information about them.

StorageLibrary StorageLibrary StorageLibrary

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

Represents a change to an item in a storage library such as the documents, music, or video library.

StorageLibraryChangeReader StorageLibraryChangeReader StorageLibraryChangeReader

Enables the calling app to read through the changes to items in a storage library.

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

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

Represents a write transaction for a random-access stream.

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

A helper object that provides indexing names for Windows audio file properties.

SystemGPSProperties SystemGPSProperties SystemGPSProperties

A helper object that provides indexing names for GPS file properties.

SystemImageProperties SystemImageProperties SystemImageProperties

A helper object that provides indexing names for Windows image file properties.

SystemMediaProperties SystemMediaProperties SystemMediaProperties

A helper object that provides indexing names for Windows media file properties.

SystemMusicProperties SystemMusicProperties SystemMusicProperties

A helper object that provides indexing names for Windows music file properties.

SystemPhotoProperties SystemPhotoProperties SystemPhotoProperties

A helper object that provides indexing names for Windows photo file properties.

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

A helper object that provides indexing names for video file properties.

Interfaces

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

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

Provides access to the IsAvailable property.

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

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

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

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

Provides access to common and content properties on items (like files and folders).

IStorageItemProperties2 IStorageItemProperties2 IStorageItemProperties2

Provides access to methods that get a scaled image as a thumbnail.

IStorageItemPropertiesWithProvider IStorageItemPropertiesWithProvider IStorageItemPropertiesWithProvider

Provides access to common and content properties on storage items from a particular provider.

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

Specifies options for creating application data containers or returning existing containers. This enumeration is used by the ApplicationDataContainer.CreateContainer method.

ApplicationDataLocality ApplicationDataLocality ApplicationDataLocality

Specifies the type of an application data store.

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

Specifies whether to access a file in read-only mode or in read/write mode.

FileAttributes FileAttributes FileAttributes

Describes the attributes of a file or folder.

KnownFolderId KnownFolderId KnownFolderId

Provides values that identify storage folders.

KnownLibraryId KnownLibraryId KnownLibraryId

Provides values that identify storage libraries.

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

Specifies whether a deleted item is moved to the Recycle Bin or permanently deleted.

StorageItemTypes StorageItemTypes StorageItemTypes

Describes whether an item that implements the IStorageItem interface is a file or a folder.

StorageLibraryChangeType StorageLibraryChangeType StorageLibraryChangeType

Describes the type of change that occurred to the storage library item.

StorageOpenOptions StorageOpenOptions StorageOpenOptions

Provides options to use when opening a file.

StreamedFileFailureMode StreamedFileFailureMode StreamedFileFailureMode

Indicates the reason that data could not be streamed.

Delegates

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

Represents the method that will stream data into a StorageFile when that file is first accessed.