CoreTextLayoutRequest Class

Definition

Namespace:

Windows.UI.Text.Core

Represents information about a LayoutRequested event.

public ref class CoreTextLayoutRequest sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class CoreTextLayoutRequest final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class CoreTextLayoutRequest

Public NotInheritable Class CoreTextLayoutRequest

Inheritance

Object Platform::Object IInspectable CoreTextLayoutRequest

Attributes

ContractVersionAttribute MarshalingBehaviorAttribute

Windows requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v1.0)

Remarks

An object of this type can be obtained from the CoreTextLayoutRequestedEventArgs.Request property inside a handler for the CoreTextEditContext.LayoutRequested event handler.

Version history

Windows version	SDK version	Value added
1809	17763	LayoutBoundsVisualPixels

Properties

IsCanceled	Gets a value that indicates whether the layout request operation is canceled.
LayoutBounds	Gets the screen coordinates of the bounding box for a range of text, or a text input control.
LayoutBoundsVisualPixels	Gets the coordinates of the bounding box for a range of text, or a text input control, relative to viewport of your application.
Range	Gets a value that indicates the range of text whose bounding box is being requested by the text input server. The server populates this property before raising the event.

Methods

GetDeferral()

Requests that the layout request operation be delayed. Call this method if your text input control is hosted on a worker thread rather than on the UI thread.