DisplayAreaWatcher Class

Reference

Definition

Namespace:: Microsoft.UI.Windowing

Important

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Edit

Enumerates display areas and raises events when the collection of display areas or the configuration of an individual DisplayArea changes.

public ref class DisplayAreaWatcher sealed

/// [Windows.Foundation.Metadata.ContractVersion(Microsoft.Foundation.WindowsAppSDKContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class DisplayAreaWatcher final

[Windows.Foundation.Metadata.ContractVersion(typeof(Microsoft.Foundation.WindowsAppSDKContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class DisplayAreaWatcher

Public NotInheritable Class DisplayAreaWatcher

Inheritance: Object Platform::Object IInspectable DisplayAreaWatcher

Attributes: ContractVersionAttribute MarshalingBehaviorAttribute

Remarks

To create a DisplayAreaWatcher, call DisplayArea.CreateWatcher. You must create the DisplayAreaWatcher on a UI thread.

Properties

Status

Gets the status of the DisplayAreaWatcher.

Methods

Start()	Starts the `DisplayAreaWatcher`.
Stop()	Stops the `DisplayAreaWatcher`.

Events

Added	Occurs when a `DisplayArea` is added to the collection of display areas returned by `DisplayArea.FindAll`.
EnumerationCompleted	Occurs when the initial pass of watcher events has been processed and the collection of display areas is complete.
Removed	Occurs when a `DisplayArea` is removed from the collection returned by `DisplayArea.FindAll`.
Stopped	Occurs when the `DisplayAreaWatcher` has stopped.
Updated	Occurs when the configuration of a `DisplayArea` has changed.

Applies to