ApplicationDataStorageHelper Class

Reference

Definition

Namespace:: Microsoft.Toolkit.Uwp.Helpers

Assembly:: Microsoft.Toolkit.Uwp.dll

Package:: Microsoft.Toolkit.Uwp v7.1.2

Important

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An extension of ApplicationDataStorageHelper with additional features for interop with the LocalCacheFolder.

public class ApplicationDataStorageHelper : Microsoft.Toolkit.Helpers.IFileStorageHelper, Microsoft.Toolkit.Helpers.ISettingsStorageHelper<string>

type ApplicationDataStorageHelper = class
    interface IFileStorageHelper
    interface ISettingsStorageHelper<string>

Public Class ApplicationDataStorageHelper
Implements IFileStorageHelper, ISettingsStorageHelper(Of String)

Inheritance: Object
ApplicationDataStorageHelper

Implements: IFileStorageHelper ISettingsStorageHelper<String>

Constructors

ApplicationDataStorageHelper(ApplicationData, IObjectSerializer)

Initializes a new instance of the ApplicationDataStorageHelper class.

Properties

AppData	Gets the storage host.
CacheFolder	Gets the local cache folder.
Folder	Gets the storage folder.
Serializer	Gets the serializer for converting stored values.
Settings	Gets the settings container.

Methods

Clear()
CreateCacheFileAsync<T>(String, T)	Saves an object inside a file in the LocalCacheFolder.
CreateCacheFolderAsync(String)	Ensure a folder exists at the folder path specified in the LocalCacheFolder.
CreateFileAsync<T>(String, T)	Saves an object inside a file.
CreateFolderAsync(String)	Ensure a folder exists at the folder path specified.
GetCurrent(IObjectSerializer)	Get a new instance using ApplicationData.Current and the provided serializer.
GetForUserAsync(User, IObjectSerializer)	Get a new instance using the ApplicationData for the provided user and serializer.
KeyExists(String)	Determines whether a setting already exists.
KeyExists(String, String)	Determines whether a setting already exists in composite.
Read<T>(String, String, T)	Retrieves a single item by its key in composite.
Read<T>(String, T)	Retrieves a single item by its key.
ReadCacheFileAsync<T>(String, T)	Retrieves an object from a file in the LocalCacheFolder.
ReadCacheFolderAsync(String)	Retrieves the listings for a folder and the item types in the LocalCacheFolder.
ReadFileAsync<T>(String, T)	Retrieves an object from a file.
ReadFolderAsync(String)	Retrieves the listings for a folder and the item types.
Save<T>(String, IDictionary<String,T>)	Saves a group of items by its key in a composite. This method should be considered for objects that do not exceed 8k bytes during the lifetime of the application and for groups of settings which need to be treated in an atomic way.
Save<T>(String, T)
TryDelete(String)
TryDelete(String, String)	Deletes a single item by its key in composite.
TryDeleteCacheItemAsync(String)	Deletes a file or folder item in the LocalCacheFolder.
TryDeleteItemAsync(String)	Deletes a file or folder item.
TryRead<T>(String, String, T)	Attempts to retrieve a single item by its key in composite.
TryRead<T>(String, T)
TryRenameCacheItemAsync(String, String)	Rename an item in the LocalCacheFolder.
TryRenameItemAsync(String, String)	Rename an item.

Extension Methods

Delete<TKey>(ISettingsStorageHelper<TKey>, TKey)	Deletes a key from storage.
GetValueOrDefault<TKey,TValue>(ISettingsStorageHelper<TKey>, TKey, TValue)	Attempts to read the provided key and return the value. If the key is not found, the fallback value will be used instead.
Read<TKey,TValue>(ISettingsStorageHelper<TKey>, TKey)	Read the key in the storage helper instance and get the value.

Applies to

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