Windows.System Namespace

Gets the result of activating an app via AppDiagnosticInfo.LaunchAsync.

Contains APIs for getting a basic set of diagnostic information for all running apps.

Allows you to monitor diagnostic information for an app and get notifications when an app is added or removed from the list of running apps.

The data object passed to an AppDiagnosticInfoWatcher event.

Provides the result of an attempt to change an app's execution state (such as from running to suspended).

Represents app memory usage at a single point in time.

Provides data for the AppMemoryUsageLimitChanging event.

Provides snapshot information about a background task such as its name, trigger name, entry point name, and task identifier.

Provides diagnostic information such as memory usage and energy use.

Allows you to monitor the set of resource groups (AppResourceGroupInfo objects) for an app, and get notifications when a resource group is added or removed.

Provides information about app resource groups.

Provides info about the execution state of this resource group when the state changes.

Provides memory information for a resource group, such as commit usage.

Provides information, such as the execution state and energy quota usage, for a resource group.

An object representation of the Host field in an AppUriHandler registration. These are used in conjunction with AppUriHandlerRegistration.

Sets and retrieves dynamic AppUriHandlerHost entries for a given AppUriHandler registration.

Retrieves AppUriHandlerRegistrations for the calling package. This can be used to access AppUriHandler registrations.

Sets the system date and time.

Manages a prioritized queue on which tasks execute in a serial fashion on a thread.

Manages the lifetime of a DispatcherQueue. Provides methods to create and shutdown the DispatcherQueue.

Provides the arguments for the ShutdownStarting event.

Periodically executes a task on a DispatcherQueue thread after a time interval has elapsed.

Specifies the options to use when launching File Explorer to display the contents of a specific folder by calling the LaunchFolderAsync(IStorageFolder, FolderLauncherOptions) method.

In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see Display WinRT UI objects that depend on CoreWindow.

Contains basic information about a user.

Starts the default app associated with the specified file or URI.

Specifies the options used to launch the default app for a file or URI.

In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see Display WinRT UI objects that depend on CoreWindow.

Specifies options for user interface elements such as the application picker that can be invoked by this API.

Represents the results of a Uri launch.

Provides access to information on an app's memory usage.

Starts the specified process with associated arguments, if any.

Specifies the options used to launch the specified process.

Represents the return of the launched process.

Represents process memory usage at a single point in time.

Represents the result to the application that launched the current application for results.

Starts the default app associated with the specified URI on a remote device.

Specifies the options used to launch the default app for URI on a remote device.

Manages the shutdown of devices that run in fixed-purpose mode.

Contains methods and properties for interacting with time zones.

Represents a user.

Represents a user authentication status change deferral returned by the UserAuthenticationStatusChangingEventArgs.GetDeferral method.

Provides data for a user authentication status changing event.

Provides data for a user changed event.

Contains methods for querying for an association between a user and a device.

Contains information about a UserDeviceAssociationChanged event.

Contains methods and properties for allowing a user to select a user account in multi-user scenarios.

Provides events that fire during enumeration of users, when the collection of users changes, or when a user's authentication status changes.

Contains methods for launcher view options.

Defines the status values that are returned from a call to AppDiagnosticInfoWatcher.Status.

An enumeration containing 4 levels of app memory usage: low, medium, high, and overlimit.

Describes how the resource group is performing relative to its energy quota.

Describes the execution state of the resource group.

Describes the various states that the AppResourceGroupInfoWatcher may be in.

The status of the automatic time zone request.

Indicates if your app has permission to access to UWP app diagnostic information.

Defines the priority levels that can be given to work assigned to a DispatcherQueue.

Specifies the result of activating an application for a file.

Specifies whether an app is available that supports activation.

Specifies the type of activation to query for.

Specifies the result of activating an application for a URI.

Represents power states for fixed-purpose devices.

Specifies the processor architecture supported by an app.

Specifies the result of activating an application for a URI on a remote device.

Describes the types of shutdown that you can perform for a device that runs in fixed-purpose mode.

Specifies the age consent groups a user can belong to.

Specifies the result of a call to CheckUserAgeConsentGroupAsync, querying for a user's membership in a specified UserAgeConsentGroup.

Represents the authentication status of a user.

Represents user picture sizes.

Represents user types.

Represents the status of a user watcher.

Describes what kinds of changes were made to a user profile.

Specifies the values for each virtual key.

Specifies the virtual key used to modify another keypress. For example, the Ctrl key when pressed in conjunction with another key, as in Ctrl+C.

A callback that will be executed on the DispatcherQueue thread.