InputElement Class
Implements input-related functionality for a control.
Definition
Namespace: Avalonia.Input
Assembly: Avalonia.Base (in Avalonia.Base.dll)
- C#
- VB
- F#
[PseudoClassesAttribute(new string[] { ... })]
public class InputElement : Interactive,
IInputElement
<PseudoClassesAttribute(New String() { ... })>
Public Class InputElement
Inherits Interactive
Implements IInputElement
[<PseudoClassesAttribute(new string[] { ... })>]
type InputElement =
class
inherit Interactive
interface IInputElement
end
| Inheritance | Object → AvaloniaObject → Animatable → StyledElement → Visual → Layoutable → Interactive → InputElement |
| Derived | Avalonia.Controls.Control |
| Implements | IInputElement |
Constructors
| InputElement() | Initializes a new instance of the InputElement class |
Properties
| ActualThemeVariant | Gets the UI theme that is currently used by the element, which might be different than the RequestedThemeVariantProperty. (Inherited from StyledElement) |
| Bounds | Gets the bounds of the control relative to its parent. (Inherited from Visual) |
| BypassFlowDirectionPolicies | Gets a value indicating whether control bypass FlowDirecton policies. (Inherited from Visual) |
| Classes | Gets or sets the styled element's classes. (Inherited from StyledElement) |
| Clip | Gets or sets the geometry clip for this visual. (Inherited from Visual) |
| ClipToBounds | Gets or sets a value indicating whether the control should be clipped to its bounds. (Inherited from Visual) |
| Cursor | Gets or sets associated mouse cursor. |
| DataContext | Gets or sets the control's data context. (Inherited from StyledElement) |
| DesiredSize | Gets the size that this element computed during the measure pass of the layout process. (Inherited from Layoutable) |
| Effect | Gets or sets the effect of the control. (Inherited from Visual) |
| FlowDirection | Gets or sets the text flow direction. (Inherited from Visual) |
| Focusable | Gets or sets a value indicating whether the control can receive focus. |
| GestureRecognizers | |
| HasMirrorTransform | Gets or sets a value indicating whether to apply mirror transform on this control. (Inherited from Visual) |
| Height | Gets or sets the height of the element. (Inherited from Layoutable) |
| HorizontalAlignment | Gets or sets the element's preferred horizontal alignment in its parent. (Inherited from Layoutable) |
| InheritanceParent | Gets or sets the parent object that inherited AvaloniaProperty values are inherited from. (Inherited from AvaloniaObject) |
| IsArrangeValid | Gets a value indicating whether the control's layouts arrange is valid. (Inherited from Layoutable) |
| IsEffectivelyEnabled | Gets a value indicating whether this control and all its parents are enabled. |
| IsEffectivelyVisible | Gets a value indicating whether this control and all its parents are visible. (Inherited from Visual) |
| IsEnabled | Gets or sets a value indicating whether the control is enabled for user interaction. |
| IsEnabledCore | Allows a derived class to override the enabled state of the control. |
| IsFocused | Gets a value indicating whether the control is focused. |
| IsHitTestVisible | Gets or sets a value indicating whether the control is considered for hit testing. |
| IsInitialized | Gets a value that indicates whether the element has finished initialization. (Inherited from StyledElement) |
| IsKeyboardFocusWithin | Gets a value indicating whether keyboard focus is anywhere within the element or its visual tree child elements. |
| IsMeasureValid | Gets a value indicating whether the control's layout measure is valid. (Inherited from Layoutable) |
| IsPointerOver | Gets a value indicating whether the pointer is currently over the control. |
| IsTabStop | Gets or sets a value that indicates whether the control is included in tab navigation. |
| IsVisible | Gets or sets a value indicating whether this control is visible. (Inherited from Visual) |
| Item(AvaloniaProperty) | Gets or sets the value of a AvaloniaProperty. (Inherited from AvaloniaObject) |
| Item(IndexerDescriptor) | Gets or sets a binding for a AvaloniaProperty. (Inherited from AvaloniaObject) |
| KeyBindings | |
| LogicalChildren | Gets the styled element's logical children. (Inherited from StyledElement) |
| Margin | Gets or sets the margin around the element. (Inherited from Layoutable) |
| MaxHeight | Gets or sets the maximum height of the element. (Inherited from Layoutable) |
| MaxWidth | Gets or sets the maximum width of the element. (Inherited from Layoutable) |
| MinHeight | Gets or sets the minimum height of the element. (Inherited from Layoutable) |
| MinWidth | Gets or sets the minimum width of the element. (Inherited from Layoutable) |
| Name | Gets or sets the name of the styled element. (Inherited from StyledElement) |
| Opacity | Gets or sets the opacity of the control. (Inherited from Visual) |
| OpacityMask | Gets or sets the opacity mask of the control. (Inherited from Visual) |
| Parent | Gets the styled element's logical parent. (Inherited from StyledElement) |
| PseudoClasses | Gets the Classes collection in a form that allows adding and removing pseudoclasses. (Inherited from StyledElement) |
| RenderTransform | Gets or sets the render transform of the control. (Inherited from Visual) |
| RenderTransformOrigin | Gets or sets the transform origin of the control. (Inherited from Visual) |
| Resources | Gets or sets the styled element's resource dictionary. (Inherited from StyledElement) |
| StyleKey | Gets the type by which the element is styled. (Inherited from StyledElement) |
| StyleKeyOverride | Gets the type by which the element is styled. (Inherited from StyledElement) |
| Styles | Gets the styles for the styled element. (Inherited from StyledElement) |
| TabIndex | Gets or sets a value that determines the order in which elements receive focus when the user navigates through controls by pressing the Tab key. |
| TemplatedParent | Gets the styled element whose lookless template this styled element is part of. (Inherited from StyledElement) |
| Theme | Gets or sets the theme to be applied to the element. (Inherited from StyledElement) |
| Transitions | Gets or sets the property transitions for the control. (Inherited from Animatable) |
| UseLayoutRounding | Gets or sets a value that determines whether the element should be snapped to pixel boundaries at layout time. (Inherited from Layoutable) |
| VerticalAlignment | Gets or sets the element's preferred vertical alignment in its parent. (Inherited from Layoutable) |
| VisualChildren | Gets the control's child visuals. (Inherited from Visual) |
| VisualRoot | Gets the root of the visual tree, if the control is attached to a visual tree. (Inherited from Visual) |
| Width | Gets or sets the width of the element. (Inherited from Layoutable) |
| ZIndex | Gets or sets the Z index of the control. (Inherited from Visual) |
Methods
| AddHandler(RoutedEvent, Delegate, RoutingStrategies, Boolean) | Adds a handler for the specified routed event. (Inherited from Interactive) |
| AddHandler(TEventArgs)(RoutedEvent(TEventArgs), EventHandler(TEventArgs), RoutingStrategies, Boolean) | Adds a handler for the specified routed event. (Inherited from Interactive) |
| ApplyStyling() | Applies styling to the control if the control is initialized and styling is not already applied. (Inherited from StyledElement) |
| ApplyTemplate() | Creates the visual children of the control, if necessary (Inherited from Layoutable) |
| Arrange(Rect) | Arranges the control and its children. (Inherited from Layoutable) |
| ArrangeCore(Rect) | The default implementation of the control's arrange pass. (Inherited from Layoutable) |
| ArrangeOverride(Size) | Positions child elements as part of a layout pass. (Inherited from Layoutable) |
| BeginInit() | Signals the object that initialization is starting. (Inherited from StyledElement) |
| Bind(AvaloniaProperty, IBinding) | Binds a AvaloniaProperty to an IBinding. (Inherited from AvaloniaObject) |
| Bind(AvaloniaProperty, IObservable(Object), BindingPriority) | Binds a AvaloniaProperty to an observable. (Inherited from AvaloniaObject) |
| Bind(T)(DirectPropertyBase(T), IObservable(T)) | Binds a AvaloniaProperty to an observable. (Inherited from AvaloniaObject) |
| Bind(T)(DirectPropertyBase(T), IObservable(BindingValue(T))) | Binds a AvaloniaProperty to an observable. (Inherited from AvaloniaObject) |
| Bind(T)(DirectPropertyBase(T), IObservable(Object)) | Binds a AvaloniaProperty to an observable. (Inherited from AvaloniaObject) |
| Bind(T)(StyledProperty(T), IObservable(T), BindingPriority) | Binds a AvaloniaProperty to an observable. (Inherited from AvaloniaObject) |
| Bind(T)(StyledProperty(T), IObservable(BindingValue(T)), BindingPriority) | Binds a AvaloniaProperty to an observable. (Inherited from AvaloniaObject) |
| Bind(T)(StyledProperty(T), IObservable(Object), BindingPriority) | Binds a AvaloniaProperty to an observable. (Inherited from AvaloniaObject) |
| BuildEventRoute(RoutedEvent) | Builds an event route for a routed event. (Inherited from Interactive) |
| CheckAccess() | Returns a value indicating whether the current thread is the UI thread. (Inherited from AvaloniaObject) |
| ClearValue(AvaloniaProperty) | Clears a AvaloniaProperty's local value. (Inherited from AvaloniaObject) |
| ClearValue(T)(AvaloniaProperty(T)) | Clears a AvaloniaProperty's local value. (Inherited from AvaloniaObject) |
| ClearValue(T)(DirectPropertyBase(T)) | Clears a AvaloniaProperty's local value. (Inherited from AvaloniaObject) |
| ClearValue(T)(StyledProperty(T)) | Clears a AvaloniaProperty's local value. (Inherited from AvaloniaObject) |
| CoerceValue(AvaloniaProperty) | Coerces the specified AvaloniaProperty. (Inherited from AvaloniaObject) |
| EndInit() | Signals the object that initialization is complete. (Inherited from StyledElement) |
| Equals(Object) | Compares two objects using reference equality. (Inherited from AvaloniaObject) |
| Finalize() | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object) |
| Focus(NavigationMethod, KeyModifiers) | Focuses the control. |
| GetBaseValue(T)(StyledProperty(T)) | Gets an AvaloniaProperty base value. (Inherited from AvaloniaObject) |
| GetHashCode() | Gets the hash code for the object. (Inherited from AvaloniaObject) |
| GetType() | Gets the Type of the current instance. (Inherited from Object) |
| GetValue(AvaloniaProperty) | Gets a AvaloniaProperty value. (Inherited from AvaloniaObject) |
| GetValue(T)(DirectPropertyBase(T)) | Gets a AvaloniaProperty value. (Inherited from AvaloniaObject) |
| GetValue(T)(StyledProperty(T)) | Gets a AvaloniaProperty value. (Inherited from AvaloniaObject) |
| InitializeIfNeeded() | (Inherited from StyledElement) |
| InvalidateArrange() | Invalidates the arrangement of the control and queues a new layout pass. (Inherited from Layoutable) |
| InvalidateMeasure() | Invalidates the measurement of the control and queues a new layout pass. (Inherited from Layoutable) |
| InvalidateMirrorTransform() | Computes the HasMirrorTransform value according to the FlowDirection and BypassFlowDirectionPolicies (Inherited from Visual) |
| InvalidateVisual() | Invalidates the visual and queues a repaint. (Inherited from Visual) |
| IsAnimating(AvaloniaProperty) | Checks whether a AvaloniaProperty is animating. (Inherited from AvaloniaObject) |
| IsSet(AvaloniaProperty) | Checks whether a AvaloniaProperty is set on this object. (Inherited from AvaloniaObject) |
| LogicalChildrenCollectionChanged(Object, NotifyCollectionChangedEventArgs) | (Inherited from Visual) |
| Measure(Size) | Carries out a measure of the control. (Inherited from Layoutable) |
| MeasureCore(Size) | The default implementation of the control's measure pass. (Inherited from Layoutable) |
| MeasureOverride(Size) | Measures the control and its child elements as part of a layout pass. (Inherited from Layoutable) |
| MemberwiseClone() | Creates a shallow copy of the current Object. (Inherited from Object) |
| OnAccessKey(RoutedEventArgs) | This method is used to execute the action on an effective IInputElement when a corresponding access key has been invoked. By default, the Focus() method is invoked with the NavigationMethod.Tab to indicate a visual focus adorner. Overwrite this method if other methods or additional functionality is needed when an item should receive the focus. |
| OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs) | Called when the styled element is added to a rooted logical tree. (Inherited from StyledElement) |
| OnAttachedToVisualTree(VisualTreeAttachmentEventArgs) | Called when the control is added to a rooted visual tree. (Inherited from Visual) |
| OnAttachedToVisualTreeCore(VisualTreeAttachmentEventArgs) | Calls the OnAttachedToVisualTree(VisualTreeAttachmentEventArgs) method for this control and all of its visual descendants. (Overrides Layoutable.OnAttachedToVisualTreeCore(VisualTreeAttachmentEventArgs)) |
| OnDataContextBeginUpdate() | Called when the DataContext begins updating. (Inherited from StyledElement) |
| OnDataContextChanged(EventArgs) | Called when the DataContext property changes. (Inherited from StyledElement) |
| OnDataContextEndUpdate() | Called when the DataContext finishes updating. (Inherited from StyledElement) |
| OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs) | Called when the styled element is removed from a rooted logical tree. (Inherited from StyledElement) |
| OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs) | Called when the control is removed from a rooted visual tree. (Inherited from Visual) |
| OnDetachedFromVisualTreeCore(VisualTreeAttachmentEventArgs) | (Overrides Layoutable.OnDetachedFromVisualTreeCore(VisualTreeAttachmentEventArgs)) |
| OnGotFocus(GotFocusEventArgs) | Called before the GotFocus event occurs. |
| OnInitialized() | Called when the control finishes initialization. (Inherited from StyledElement) |
| OnKeyDown(KeyEventArgs) | Invoked when an unhandled KeyDownEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnKeyUp(KeyEventArgs) | Invoked when an unhandled KeyUpEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnLostFocus(RoutedEventArgs) | Called before the LostFocus event occurs. |
| OnMeasureInvalidated() | Called by InvalidateMeasure (Inherited from Layoutable) |
| OnPointerCaptureLost(PointerCaptureLostEventArgs) | Invoked when an unhandled PointerCaptureLostEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnPointerEntered(PointerEventArgs) | Invoked when an unhandled PointerEnteredEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnPointerExited(PointerEventArgs) | Invoked when an unhandled PointerExitedEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnPointerMoved(PointerEventArgs) | Invoked when an unhandled PointerMovedEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnPointerPressed(PointerPressedEventArgs) | Invoked when an unhandled PointerPressedEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnPointerReleased(PointerReleasedEventArgs) | Invoked when an unhandled PointerReleasedEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnPointerWheelChanged(PointerWheelEventArgs) | Invoked when an unhandled PointerWheelChangedEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnPropertyChanged(AvaloniaPropertyChangedEventArgs) | (Overrides Layoutable.OnPropertyChanged(AvaloniaPropertyChangedEventArgs)) |
| OnPropertyChangedCore(AvaloniaPropertyChangedEventArgs) | (Inherited from Animatable) |
| OnTextInput(TextInputEventArgs) | Invoked when an unhandled TextInputEvent reaches an element in its route that is derived from this class. Implement this method to add class handling for this event. |
| OnVisualParentChanged(Visual, Visual) | Called when the control's visual parent changes. (Inherited from Layoutable) |
| RaiseEvent(RoutedEventArgs) | Raises a routed event. (Inherited from Interactive) |
| RaisePropertyChanged(T)(DirectPropertyBase(T), T, T) | Raises the PropertyChanged event for a direct property. (Inherited from AvaloniaObject) |
| RemoveHandler(RoutedEvent, Delegate) | Removes a handler for the specified routed event. (Inherited from Interactive) |
| RemoveHandler(TEventArgs)(RoutedEvent(TEventArgs), EventHandler(TEventArgs)) | Removes a handler for the specified routed event. (Inherited from Interactive) |
| Render(DrawingContext) | Renders the visual to a DrawingContext. (Inherited from Visual) |
| SetAndRaise(T)(DirectPropertyBase(T), T, T) | Sets the backing field for a direct avalonia property, raising the PropertyChanged event if the value has changed. (Inherited from AvaloniaObject) |
| SetCurrentValue(AvaloniaProperty, Object) | Sets the value of a dependency property without changing its value source. (Inherited from AvaloniaObject) |
| SetCurrentValue(T)(StyledProperty(T), T) | Sets the value of a dependency property without changing its value source. (Inherited from AvaloniaObject) |
| SetValue(AvaloniaProperty, Object, BindingPriority) | Sets a AvaloniaProperty value. (Inherited from AvaloniaObject) |
| SetValue(T)(DirectPropertyBase(T), T) | Sets a AvaloniaProperty value. (Inherited from AvaloniaObject) |
| SetValue(T)(StyledProperty(T), T, BindingPriority) | Sets a AvaloniaProperty value. (Inherited from AvaloniaObject) |
| ToString() | Returns a string that represents the current object. (Inherited from Object) |
| TryGetResource(Object, ThemeVariant, Object) | Tries to find a resource within the object. (Inherited from StyledElement) |
| UpdateDataValidation(AvaloniaProperty, BindingValueType, Exception) | Called to update the validation state for properties for which data validation is enabled. (Inherited from AvaloniaObject) |
| UpdateIsEffectivelyEnabled() | Updates the IsEffectivelyEnabled property value according to the parent control's enabled state and IsEnabledCore. |
| UpdateLayout() | Executes a layout pass. (Inherited from Layoutable) |
| VerifyAccess() | Checks that the current thread is the UI thread and throws if not. (Inherited from AvaloniaObject) |
Events
| ActualThemeVariantChanged | Raised when the theme variant is changed on the element or an ancestor of the element. (Inherited from StyledElement) |
| AttachedToLogicalTree | Raised when the styled element is attached to a rooted logical tree. (Inherited from StyledElement) |
| AttachedToVisualTree | Raised when the control is attached to a rooted visual tree. (Inherited from Visual) |
| DataContextChanged | Occurs when the DataContext property changes. (Inherited from StyledElement) |
| DetachedFromLogicalTree | Raised when the styled element is detached from a rooted logical tree. (Inherited from StyledElement) |
| DetachedFromVisualTree | Raised when the control is detached from a rooted visual tree. (Inherited from Visual) |
| DoubleTapped | Occurs when a double-tap gesture occurs on the control. |
| EffectiveViewportChanged | Occurs when the element's effective viewport changes. (Inherited from Layoutable) |
| GotFocus | Occurs when the control receives focus. |
| Holding | Occurs when a hold gesture occurs on the control. |
| Initialized | Occurs when the styled element has finished initialization. (Inherited from StyledElement) |
| KeyDown | Occurs when a key is pressed while the control has focus. |
| KeyUp | Occurs when a key is released while the control has focus. |
| LayoutUpdated | Occurs when a layout pass completes for the control. (Inherited from Layoutable) |
| LostFocus | Occurs when the control loses focus. |
| PointerCaptureLost | Occurs when the control or its child control loses the pointer capture for any reason, event will not be triggered for a parent control if capture was transferred to another child of that parent control |
| PointerEntered | Occurs when the pointer enters the control. |
| PointerExited | Occurs when the pointer leaves the control. |
| PointerMoved | Occurs when the pointer moves over the control. |
| PointerPressed | Occurs when the pointer is pressed over the control. |
| PointerReleased | Occurs when the pointer is released over the control. |
| PointerWheelChanged | Occurs when the mouse is scrolled over the control. |
| PropertyChanged | Raised when a AvaloniaProperty value changes on this object. (Inherited from AvaloniaObject) |
| ResourcesChanged | Occurs when a resource in this styled element or a parent styled element has changed. (Inherited from StyledElement) |
| Tapped | Occurs when a tap gesture occurs on the control. |
| TextInput | Occurs when a user typed some text while the control has focus. |
| TextInputMethodClientRequested | Occurs when an input element gains input focus and input method is looking for the corresponding client |