UserDataProtectionManager Class

Reference

Definition

Namespace:: Windows.Security.DataProtection

Important

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Provides static methods to instantiate UserDataProtectionManager for the current or provided user. An instance of UserDataProtectionManager provides methods to protect / unprotect files and buffers.

public ref class UserDataProtectionManager sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 524288)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class UserDataProtectionManager final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 524288)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class UserDataProtectionManager

Public NotInheritable Class UserDataProtectionManager

Inheritance: Object Platform::Object IInspectable UserDataProtectionManager

Attributes: ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows requirements

Device family	Windows 10, version 1903 (introduced in 10.0.18362.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v8.0)

Methods

GetStorageItemProtectionInfoAsync(IStorageItem)	Gets the current protection information for a storage item.
IsContinuedDataAvailabilityExpected(UserDataAvailability)	Allows querying whether data protected to a specified availability will continue to stay available for a reasonable duration from now.
ProtectBufferAsync(IBuffer, UserDataAvailability)	Protects a buffer to a specified availability.
ProtectStorageItemAsync(IStorageItem, UserDataAvailability)	Protects a storage item to the specified availability.
TryGetDefault()	Returns a UserDataProtectionManager instance for the current or default user. Caller must check if the returned object is null. If a null object is returned, UserDataProtectionManager is not supported on the system.
TryGetForUser(User)	Returns a UserDataProtectionManager instance for the specified user object. Windows.System.User.FindAllAsync() can be used to find users on the system. Caller must check if the returned object is null. If it null, UserDataProtectionManager is not supported on the system.
UnprotectBufferAsync(IBuffer)	Unprotect a buffer that has been protected using 'ProtectBufferAsync'.

Events

DataAvailabilityStateChanged

This event invokes listeners when the state of data availability has changed. For example, when the device locks, data protected to the 'WhileUnlocked' UserDataAvailability becomes unavailable. This state change can be listened to by subscribing to this event.

Applies to

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