Not logged in▾
Log In Register
Forgot Password Resend Validation E-mail
In This Article

ExternalHeaderPresenter Class

Namespace:
ActiproSoftware.UI.Avalonia.Controls.Bars.Primitives
Assembly:
ActiproSoftware.Avalonia.Bars.dll

Represents a control that renders an external header (image and label) for a bar control that can't render them itself, such as BarComboBox.

[PseudoClasses(new string[] { ":indented-content" })]
public class ExternalHeaderPresenter : TemplatedControl, IDataContextProvider, ILogical, IThemeVariantHost, IResourceHost, IResourceNode, IStyleHost, ISetLogicalParent, ISetInheritanceParent, IStyleable, INamed, IInputElement, IDataTemplateHost, ISetterValue
Inheritance:
object AvaloniaObject Animatable StyledElement Visual Layoutable Interactive InputElement Control TemplatedControl object
Implements:
IDataContextProvider ILogical IThemeVariantHost IResourceHost IResourceNode IStyleHost ISetLogicalParent ISetInheritanceParent IStyleable INamed IInputElement IDataTemplateHost ISetterValue

Constructors

ExternalHeaderPresenter()

Initializes an instance of the class.

public ExternalHeaderPresenter()

Properties

CanIndentContent

Whether the image and label can be indented if present.

public bool CanIndentContent { get; set; }

Property Value

bool:

The default value is false.

CanShowImage

Whether an image should be displayed if present.

public bool CanShowImage { get; set; }

Property Value

bool:

The default value is true.

HasImage

Whether the source element has an image.

public bool HasImage { get; }

Property Value

bool

HasLabel

Whether the source element has a label.

public bool HasLabel { get; }

Property Value

bool

Label

The text label to display.

public string? Label { get; set; }

Property Value

string

SmallIcon

The object representing a small icon, generally 16x16 size.

public object? SmallIcon { get; set; }

Property Value

object

SourceElement

The source element.

public Control? SourceElement { get; set; }

Property Value

Control

Methods

GetExternalHeaderPresenter(AvaloniaObject)

Gets the value of the ExternalHeaderPresenter attached property for the specified object.

public static ExternalHeaderPresenter? GetExternalHeaderPresenter(AvaloniaObject obj)
Parameter Type Description
obj AvaloniaObject

The object from which the property value is read.

Returns

ExternalHeaderPresenter:

The object's value.

MeasureOverride(Size)

Measures the control and its child elements as part of a layout pass.

protected override Size MeasureOverride(Size constraint)
Parameter Type Description
constraint Size

Returns

Size:

The desired size for the control.

SetExternalHeaderPresenter(AvaloniaObject, ExternalHeaderPresenter?)

Sets the value of the ExternalHeaderPresenter attached property to the specified object.

public static void SetExternalHeaderPresenter(AvaloniaObject obj, ExternalHeaderPresenter? value)
Parameter Type Description
obj AvaloniaObject

The object to which the attached property is written.
value ExternalHeaderPresenter

The value to set.

Fields

CanIndentContentProperty

Defines the CanIndentContent property.

public static readonly StyledProperty<bool> CanIndentContentProperty

CanShowImageProperty

Defines the CanShowImage property.

public static readonly StyledProperty<bool> CanShowImageProperty

HasImageProperty

Defines the HasImage property.

public static readonly StyledProperty<bool> HasImageProperty

HasLabelProperty

Defines the HasLabel property.

public static readonly StyledProperty<bool> HasLabelProperty

LabelProperty

Defines the Label property.

public static readonly StyledProperty<string?> LabelProperty

SmallIconProperty

Defines the SmallIcon property.

public static readonly StyledProperty<object?> SmallIconProperty

SourceElementProperty

Defines the SourceElement property.

public static readonly StyledProperty<Control?> SourceElementProperty

Inherited Members

  • TemplatedControl.BackgroundProperty
  • TemplatedControl.BackgroundSizingProperty
  • TemplatedControl.BorderBrushProperty
  • TemplatedControl.BorderThicknessProperty
  • TemplatedControl.CornerRadiusProperty
  • TemplatedControl.FontFamilyProperty
  • TemplatedControl.FontFeaturesProperty
  • TemplatedControl.FontSizeProperty
  • TemplatedControl.FontStyleProperty
  • TemplatedControl.FontWeightProperty
  • TemplatedControl.FontStretchProperty
  • TemplatedControl.ForegroundProperty
  • TemplatedControl.PaddingProperty
  • TemplatedControl.TemplateProperty
  • TemplatedControl.IsTemplateFocusTargetProperty
  • TemplatedControl.TemplateAppliedEvent
  • TemplatedControl.GetIsTemplateFocusTarget(Control)
  • TemplatedControl.SetIsTemplateFocusTarget(Control, bool)
  • TemplatedControl.ApplyTemplate()
  • TemplatedControl.GetTemplateFocusTarget()
  • TemplatedControl.OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs)
  • TemplatedControl.OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs)
  • TemplatedControl.OnApplyTemplate(TemplateAppliedEventArgs)
  • TemplatedControl.OnTemplateChanged(AvaloniaPropertyChangedEventArgs)
  • TemplatedControl.Background
  • TemplatedControl.BackgroundSizing
  • TemplatedControl.BorderBrush
  • TemplatedControl.BorderThickness
  • TemplatedControl.CornerRadius
  • TemplatedControl.FontFamily
  • TemplatedControl.FontFeatures
  • TemplatedControl.FontSize
  • TemplatedControl.FontStyle
  • TemplatedControl.FontWeight
  • TemplatedControl.FontStretch
  • TemplatedControl.Foreground
  • TemplatedControl.Padding
  • TemplatedControl.Template
  • TemplatedControl.TemplateApplied
  • Control.FocusAdornerProperty
  • Control.TagProperty
  • Control.ContextMenuProperty
  • Control.ContextFlyoutProperty
  • Control.RequestBringIntoViewEvent
  • Control.ContextRequestedEvent
  • Control.LoadedEvent
  • Control.UnloadedEvent
  • Control.SizeChangedEvent
  • Control.OnLoaded(RoutedEventArgs)
  • Control.OnUnloaded(RoutedEventArgs)
  • Control.OnSizeChanged(SizeChangedEventArgs)
  • Control.OnAttachedToVisualTreeCore(VisualTreeAttachmentEventArgs)
  • Control.OnDetachedFromVisualTreeCore(VisualTreeAttachmentEventArgs)
  • Control.OnGotFocus(GotFocusEventArgs)
  • Control.OnLostFocus(RoutedEventArgs)
  • Control.OnCreateAutomationPeer()
  • Control.OnPointerReleased(PointerReleasedEventArgs)
  • Control.OnKeyUp(KeyEventArgs)
  • Control.OnPropertyChanged(AvaloniaPropertyChangedEventArgs)
  • Control.FocusAdorner
  • Control.DataTemplates
  • Control.ContextMenu
  • Control.ContextFlyout
  • Control.IsLoaded
  • Control.Tag
  • Control.ContextRequested
  • Control.Loaded
  • Control.Unloaded
  • Control.SizeChanged
  • InputElement.FocusableProperty
  • InputElement.IsEnabledProperty
  • InputElement.IsEffectivelyEnabledProperty
  • InputElement.CursorProperty
  • InputElement.IsKeyboardFocusWithinProperty
  • InputElement.IsFocusedProperty
  • InputElement.IsHitTestVisibleProperty
  • InputElement.IsPointerOverProperty
  • InputElement.IsTabStopProperty
  • InputElement.GotFocusEvent
  • InputElement.LostFocusEvent
  • InputElement.KeyDownEvent
  • InputElement.KeyUpEvent
  • InputElement.TabIndexProperty
  • InputElement.TextInputEvent
  • InputElement.TextInputMethodClientRequestedEvent
  • InputElement.PointerEnteredEvent
  • InputElement.PointerExitedEvent
  • InputElement.PointerMovedEvent
  • InputElement.PointerPressedEvent
  • InputElement.PointerReleasedEvent
  • InputElement.PointerCaptureLostEvent
  • InputElement.PointerWheelChangedEvent
  • InputElement.TappedEvent
  • InputElement.HoldingEvent
  • InputElement.DoubleTappedEvent
  • InputElement.Focus(NavigationMethod, KeyModifiers)
  • InputElement.OnKeyDown(KeyEventArgs)
  • InputElement.OnTextInput(TextInputEventArgs)
  • InputElement.OnPointerEntered(PointerEventArgs)
  • InputElement.OnPointerExited(PointerEventArgs)
  • InputElement.OnPointerMoved(PointerEventArgs)
  • InputElement.OnPointerPressed(PointerPressedEventArgs)
  • InputElement.OnPointerCaptureLost(PointerCaptureLostEventArgs)
  • InputElement.OnPointerWheelChanged(PointerWheelEventArgs)
  • InputElement.UpdateIsEffectivelyEnabled()
  • InputElement.Focusable
  • InputElement.IsEnabled
  • InputElement.Cursor
  • InputElement.IsKeyboardFocusWithin
  • InputElement.IsFocused
  • InputElement.IsHitTestVisible
  • InputElement.IsPointerOver
  • InputElement.IsTabStop
  • InputElement.IsEffectivelyEnabled
  • InputElement.TabIndex
  • InputElement.KeyBindings
  • InputElement.IsEnabledCore
  • InputElement.GestureRecognizers
  • InputElement.GotFocus
  • InputElement.LostFocus
  • InputElement.KeyDown
  • InputElement.KeyUp
  • InputElement.TextInput
  • InputElement.TextInputMethodClientRequested
  • InputElement.PointerEntered
  • InputElement.PointerExited
  • InputElement.PointerMoved
  • InputElement.PointerPressed
  • InputElement.PointerReleased
  • InputElement.PointerCaptureLost
  • InputElement.PointerWheelChanged
  • InputElement.Tapped
  • InputElement.Holding
  • InputElement.DoubleTapped
  • Interactive.AddHandler(RoutedEvent, Delegate, RoutingStrategies, bool)
  • Interactive.AddHandler<TEventArgs>(RoutedEvent<TEventArgs>, EventHandler<TEventArgs>, RoutingStrategies, bool)
  • Interactive.RemoveHandler(RoutedEvent, Delegate)
  • Interactive.RemoveHandler<TEventArgs>(RoutedEvent<TEventArgs>, EventHandler<TEventArgs>)
  • Interactive.RaiseEvent(RoutedEventArgs)
  • Interactive.BuildEventRoute(RoutedEvent)
  • Layoutable.DesiredSizeProperty
  • Layoutable.WidthProperty
  • Layoutable.HeightProperty
  • Layoutable.MinWidthProperty
  • Layoutable.MaxWidthProperty
  • Layoutable.MinHeightProperty
  • Layoutable.MaxHeightProperty
  • Layoutable.MarginProperty
  • Layoutable.HorizontalAlignmentProperty
  • Layoutable.VerticalAlignmentProperty
  • Layoutable.UseLayoutRoundingProperty
  • Layoutable.UpdateLayout()
  • Layoutable.Measure(Size)
  • Layoutable.Arrange(Rect)
  • Layoutable.InvalidateMeasure()
  • Layoutable.InvalidateArrange()
  • Layoutable.AffectsMeasure<T>(params AvaloniaProperty[])
  • Layoutable.AffectsArrange<T>(params AvaloniaProperty[])
  • Layoutable.MeasureCore(Size)
  • Layoutable.ArrangeCore(Rect)
  • Layoutable.ArrangeOverride(Size)
  • Layoutable.OnMeasureInvalidated()
  • Layoutable.OnVisualParentChanged(Visual, Visual)
  • Layoutable.Width
  • Layoutable.Height
  • Layoutable.MinWidth
  • Layoutable.MaxWidth
  • Layoutable.MinHeight
  • Layoutable.MaxHeight
  • Layoutable.Margin
  • Layoutable.HorizontalAlignment
  • Layoutable.VerticalAlignment
  • Layoutable.DesiredSize
  • Layoutable.IsMeasureValid
  • Layoutable.IsArrangeValid
  • Layoutable.UseLayoutRounding
  • Layoutable.EffectiveViewportChanged
  • Layoutable.LayoutUpdated
  • Visual.BoundsProperty
  • Visual.ClipToBoundsProperty
  • Visual.ClipProperty
  • Visual.IsVisibleProperty
  • Visual.OpacityProperty
  • Visual.OpacityMaskProperty
  • Visual.EffectProperty
  • Visual.HasMirrorTransformProperty
  • Visual.RenderTransformProperty
  • Visual.RenderTransformOriginProperty
  • Visual.FlowDirectionProperty
  • Visual.VisualParentProperty
  • Visual.ZIndexProperty
  • Visual.GetFlowDirection(Visual)
  • Visual.SetFlowDirection(Visual, FlowDirection)
  • Visual.InvalidateVisual()
  • Visual.Render(DrawingContext)
  • Visual.AffectsRender<T>(params AvaloniaProperty[])
  • Visual.LogicalChildrenCollectionChanged(object, NotifyCollectionChangedEventArgs)
  • Visual.OnAttachedToVisualTree(VisualTreeAttachmentEventArgs)
  • Visual.OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs)
  • Visual.InvalidateMirrorTransform()
  • Visual.Bounds
  • Visual.ClipToBounds
  • Visual.Clip
  • Visual.IsEffectivelyVisible
  • Visual.IsVisible
  • Visual.Opacity
  • Visual.OpacityMask
  • Visual.Effect
  • Visual.HasMirrorTransform
  • Visual.RenderTransform
  • Visual.RenderTransformOrigin
  • Visual.FlowDirection
  • Visual.ZIndex
  • Visual.VisualChildren
  • Visual.VisualRoot
  • Visual.BypassFlowDirectionPolicies
  • Visual.AttachedToVisualTree
  • Visual.DetachedFromVisualTree
  • StyledElement.DataContextProperty
  • StyledElement.NameProperty
  • StyledElement.ParentProperty
  • StyledElement.TemplatedParentProperty
  • StyledElement.ThemeProperty
  • StyledElement.BeginInit()
  • StyledElement.EndInit()
  • StyledElement.ApplyStyling()
  • StyledElement.InitializeIfNeeded()
  • StyledElement.TryGetResource(object, ThemeVariant, out object)
  • StyledElement.OnDataContextChanged(EventArgs)
  • StyledElement.OnDataContextBeginUpdate()
  • StyledElement.OnDataContextEndUpdate()
  • StyledElement.OnInitialized()
  • StyledElement.Name
  • StyledElement.Classes
  • StyledElement.DataContext
  • StyledElement.IsInitialized
  • StyledElement.Styles
  • StyledElement.StyleKey
  • StyledElement.Resources
  • StyledElement.TemplatedParent
  • StyledElement.Theme
  • StyledElement.LogicalChildren
  • StyledElement.PseudoClasses
  • StyledElement.StyleKeyOverride
  • StyledElement.Parent
  • StyledElement.ActualThemeVariant
  • StyledElement.AttachedToLogicalTree
  • StyledElement.DetachedFromLogicalTree
  • StyledElement.DataContextChanged
  • StyledElement.Initialized
  • StyledElement.ResourcesChanged
  • StyledElement.ActualThemeVariantChanged
  • Animatable.TransitionsProperty
  • Animatable.OnPropertyChangedCore(AvaloniaPropertyChangedEventArgs)
  • Animatable.Transitions
  • AvaloniaObject.CheckAccess()
  • AvaloniaObject.VerifyAccess()
  • AvaloniaObject.ClearValue(AvaloniaProperty)
  • AvaloniaObject.ClearValue<T>(AvaloniaProperty<T>)
  • AvaloniaObject.ClearValue<T>(StyledProperty<T>)
  • AvaloniaObject.ClearValue<T>(DirectPropertyBase<T>)
  • AvaloniaObject.Equals(object)
  • AvaloniaObject.GetHashCode()
  • AvaloniaObject.GetValue(AvaloniaProperty)
  • AvaloniaObject.GetValue<T>(StyledProperty<T>)
  • AvaloniaObject.GetValue<T>(DirectPropertyBase<T>)
  • AvaloniaObject.GetBaseValue<T>(StyledProperty<T>)
  • AvaloniaObject.IsAnimating(AvaloniaProperty)
  • AvaloniaObject.IsSet(AvaloniaProperty)
  • AvaloniaObject.SetValue(AvaloniaProperty, object, BindingPriority)
  • AvaloniaObject.SetValue<T>(StyledProperty<T>, T, BindingPriority)
  • AvaloniaObject.SetValue<T>(DirectPropertyBase<T>, T)
  • AvaloniaObject.SetCurrentValue(AvaloniaProperty, object)
  • AvaloniaObject.SetCurrentValue<T>(StyledProperty<T>, T)
  • AvaloniaObject.Bind(AvaloniaProperty, IBinding)
  • AvaloniaObject.Bind(AvaloniaProperty, IObservable<object>, BindingPriority)
  • AvaloniaObject.Bind<T>(StyledProperty<T>, IObservable<object>, BindingPriority)
  • AvaloniaObject.Bind<T>(StyledProperty<T>, IObservable<T>, BindingPriority)
  • AvaloniaObject.Bind<T>(StyledProperty<T>, IObservable<BindingValue<T>>, BindingPriority)
  • AvaloniaObject.Bind<T>(DirectPropertyBase<T>, IObservable<object>)
  • AvaloniaObject.Bind<T>(DirectPropertyBase<T>, IObservable<T>)
  • AvaloniaObject.Bind<T>(DirectPropertyBase<T>, IObservable<BindingValue<T>>)
  • AvaloniaObject.CoerceValue(AvaloniaProperty)
  • AvaloniaObject.UpdateDataValidation(AvaloniaProperty, BindingValueType, Exception)
  • AvaloniaObject.RaisePropertyChanged<T>(DirectPropertyBase<T>, T, T)
  • AvaloniaObject.SetAndRaise<T>(DirectPropertyBase<T>, ref T, T)
  • AvaloniaObject.InheritanceParent
  • AvaloniaObject.this[AvaloniaProperty]
  • AvaloniaObject.this[IndexerDescriptor]
  • AvaloniaObject.PropertyChanged
  • object.GetType()
  • object.MemberwiseClone()
  • object.ToString()
  • object.Equals(object, object)
  • object.ReferenceEquals(object, object)

Extension Methods