Table of Contents

Class OverlayPopupHost

Namespace
Avalonia.Controls.Primitives
Assembly
Avalonia.Controls.dll
public class OverlayPopupHost : ContentControl, INotifyPropertyChanged, IDataContextProvider, ILogical, IThemeVariantHost, IResourceHost, IResourceNode, IStyleHost, ISetLogicalParent, ISetInheritanceParent, ISupportInitialize, IStyleable, INamed, IDataTemplateHost, ISetterValue, IPopupHost, IDisposable, IFocusScope, IManagedPopupPositionerPopup, IInputRoot, IInputElement
Inheritance
OverlayPopupHost
Implements
Inherited Members
Extension Methods

Constructors

OverlayPopupHost(OverlayLayer) 

public OverlayPopupHost(OverlayLayer overlayLayer)

Parameters

overlayLayer OverlayLayer

Fields

TransformProperty

Defines the Transform property.

public static readonly StyledProperty<Transform?> TransformProperty

Field Value

StyledProperty<Transform>

Properties

HostedVisualTreeRoot

Gets the root of the visual tree in the case where the popup is presented using a separate visual tree.

public Visual? HostedVisualTreeRoot { get; }

Property Value

Visual

Transform

Gets or sets a transform that will be applied to the popup.

public Transform? Transform { get; set; }

Property Value

Transform

Methods

ArrangeOverride(Size)

Positions child elements as part of a layout pass.

protected override Size ArrangeOverride(Size finalSize)

Parameters

finalSize Size

The size available to the control.

Returns

Size

The actual size used.

ConfigurePosition(Visual, PlacementMode, Point, PopupAnchor, PopupGravity, PopupPositionerConstraintAdjustment, Rect?) 

[Unstable("This API may be removed in Avalonia 12. If you depend on this API, please open an issue with details of your use-case.")]
public void ConfigurePosition(Visual target, PlacementMode placement, Point offset, PopupAnchor anchor = PopupAnchor.None, PopupGravity gravity = PopupGravity.None, PopupPositionerConstraintAdjustment constraintAdjustment = PopupPositionerConstraintAdjustment.All, Rect? rect = null)

Parameters

target Visual
placement PlacementMode
offset Point
anchor PopupAnchor
gravity PopupGravity
constraintAdjustment PopupPositionerConstraintAdjustment
rect Rect?

CreatePopupHost(Visual, IAvaloniaDependencyResolver?) 

[Unstable("PopupHost is considered an internal API. Use Popup or any Popup-based controls (Flyout, Tooltip) instead.")]
public static IPopupHost CreatePopupHost(Visual target, IAvaloniaDependencyResolver? dependencyResolver)

Parameters

target Visual
dependencyResolver IAvaloniaDependencyResolver

Returns

IPopupHost

Dispose() 

public void Dispose()

Hide()

Hides the popup.

public void Hide()

SetChild(Control?)

Sets the control to display in the popup.

public void SetChild(Control? control)

Parameters

control Control

Show()

Shows the popup.

public void Show()

TakeFocus()

Takes focus from any currently focused native control.

public void TakeFocus()