FormCheckItemBase Members

The base class for form check items.

Fields

Name	Description
AllowTapProperty static	Identifies the AllowTap bindable property.
AnchorXProperty static	Bindable property for AnchorX. Inherited from VisualElement.
AnchorYProperty static	Bindable property for AnchorY. Inherited from VisualElement.
ArrowColorProperty static	Identifies the ArrowColor bindable property. Inherited from FormItemBase.
ArrowMarginProperty static	Identifies the ArrowMargin bindable property. Inherited from FormItemBase.
ArrowTemplateProperty static	Identifies the ArrowTemplate bindable property. Inherited from FormItemBase.
ArrowVerticalOptionsProperty static	Identifies the ArrowVerticalOptions bindable property. Inherited from FormItemBase.
AutomationIdProperty static	Bindable property for AutomationId. Inherited from Element.
BackgroundColorProperty static	Bindable property for BackgroundColor. Inherited from VisualElement.
BackgroundProperty static	Bindable property for Background. Inherited from VisualElement.
BehaviorsProperty static	Bindable property for Behaviors. Inherited from VisualElement.
BindingContextProperty static	Bindable property for BindingContext. Inherited from BindableObject.
CascadeInputTransparentProperty static	Bindable property for CascadeInputTransparent. Inherited from Layout.
ClassIdProperty static	Bindable property for ClassId. Inherited from Element.
ClipProperty static	Bindable property for Clip. Inherited from VisualElement.
DetailColorProperty static	Identifies the DetailColor bindable property. Inherited from FormItemBase.
DetailFontAttributesProperty static	Identifies the DetailFontAttributes bindable property. Inherited from FormItemBase.
DetailFontFamilyProperty static	Identifies the DetailFontFamily bindable property. Inherited from FormItemBase.
DetailFontSizeProperty static	Identifies the DetailFontSize bindable property. Inherited from FormItemBase.
DetailLineBreakModeProperty static	Identifies the DetailLineBreakMode bindable property. Inherited from FormItemBase.
DetailMarginProperty static	Identifies the DetailMargin bindable property. Inherited from FormItemBase.
DetailMaxLineCountProperty static	Identifies the DetailMaxLineCount bindable property. Inherited from FormItemBase.
DetailProperty static	Identifies the Detail bindable property. Inherited from FormItemBase.
FlowDirectionProperty static	Bindable property for FlowDirection. Inherited from VisualElement.
FontAutoScalingEnabledProperty static	Identifies the FontAutoScalingEnabled bindable property. Inherited from FormItemBase.
HeightProperty static	Bindable property for Height. Inherited from VisualElement.
HeightRequestProperty static	Bindable property for HeightRequest. Inherited from VisualElement.
HorizontalOptionsProperty static	Bindable property for HorizontalOptions. Inherited from View.
HorizontalSpacingProperty static	Identifies the HorizontalSpacing bindable property. Inherited from FormItemBase.
ImageColorProperty static	Identifies the ImageColor bindable property. Inherited from FormItemBase.
ImageHeightProperty static	Identifies the ImageHeight bindable property. Inherited from FormItemBase.
ImageMarginProperty static	Identifies the ImageMargin bindable property. Inherited from FormItemBase.
ImageSourceProperty static	Identifies the ImageSource bindable property. Inherited from FormItemBase.
ImageTemplateProperty static	Identifies the ImageTemplate bindable property. Inherited from FormItemBase.
ImageVerticalOptionsProperty static	Identifies the ImageVerticalOptions bindable property. Inherited from FormItemBase.
ImageWidthProperty static	Identifies the ImageWidth bindable property. Inherited from FormItemBase.
InputTransparentProperty static	Bindable property for InputTransparent. Inherited from VisualElement.
IsClippedToBoundsProperty static	Bindable property for IsClippedToBounds. Inherited from Layout.
IsEnabledProperty static	Bindable property for IsEnabled. Inherited from VisualElement.
IsFocusedProperty static	Bindable property for IsFocused. Inherited from VisualElement.
IsFocusedPropertyKey static	Bindable property for IsFocused. Inherited from VisualElement.
IsVisibleProperty static	Bindable property for IsVisible. Inherited from VisualElement.
MarginProperty static	Bindable property for Margin. Inherited from View.
MinimumHeightRequestProperty static	Bindable property for MinimumHeightRequest. Inherited from VisualElement.
MinimumWidthRequestProperty static	Bindable property for MinimumWidthRequest. Inherited from VisualElement.
NavigationProperty static	Bindable property for Navigation. Inherited from VisualElement.
OpacityProperty static	Bindable property for Opacity. Inherited from VisualElement.
PaddingProperty static	Bindable property for Padding. Inherited from Layout.
PressedColorProperty static	Identifies the PressedColor bindable property. Inherited from FormItemBase.
propertyMapper protected	Represents the view’s internal PropertyMapper. Inherited from View.
RotationProperty static	Bindable property for Rotation. Inherited from VisualElement.
RotationXProperty static	Bindable property for RotationX. Inherited from VisualElement.
RotationYProperty static	Bindable property for RotationY. Inherited from VisualElement.
ScaleProperty static	Bindable property for Scale. Inherited from VisualElement.
ScaleXProperty static	Bindable property for ScaleX. Inherited from VisualElement.
ScaleYProperty static	Bindable property for ScaleY. Inherited from VisualElement.
SeparatorColorProperty static	Identifies the SeparatorColor bindable property. Inherited from FormItemBase.
SeparatorMarginProperty static	Identifies the SeparatorMargin bindable property. Inherited from FormItemBase.
SeparatorThicknessProperty static	Identifies the SeparatorThickness bindable property. Inherited from FormItemBase.
ShowSeparatorProperty static	Identifies the ShowSeparator bindable property. Inherited from FormItemBase.
StyleProperty static	Bindable property for Style. Inherited from VisualElement.
TapCommandParameterProperty static	Identifies the TapCommandParameter bindable property. Inherited from FormItemBase.
TapCommandProperty static	Identifies the TapCommand bindable property. Inherited from FormItemBase.
TextColorProperty static	Identifies the TextColor bindable property. Inherited from FormItemBase.
TextFontAttributesProperty static	Identifies the TextFontAttributes bindable property. Inherited from FormItemBase.
TextFontFamilyProperty static	Identifies the TextFontFamily bindable property. Inherited from FormItemBase.
TextFontSizeProperty static	Identifies the TextFontSize bindable property. Inherited from FormItemBase.
TextLineBreakModeProperty static	Identifies the TextLineBreakMode bindable property. Inherited from FormItemBase.
TextMarginProperty static	Identifies the TextMargin bindable property. Inherited from FormItemBase.
TextMaxLineCountProperty static	Identifies the TextMaxLineCount bindable property. Inherited from FormItemBase.
TextProperty static	Identifies the Text bindable property. Inherited from FormItemBase.
TranslationXProperty static	Bindable property for TranslationX. Inherited from VisualElement.
TranslationYProperty static	Bindable property for TranslationY. Inherited from VisualElement.
TriggersProperty static	Bindable property for Triggers. Inherited from VisualElement.
UseRippleEffectProperty static	Identifies the UseRippleEffect bindable property. Inherited from FormItemBase.
VerticalOptionsProperty static	Bindable property for VerticalOptions. Inherited from View.
VerticalSpacingProperty static	Identifies the VerticalSpacing bindable property. Inherited from FormItemBase.
VisualProperty static	Bindable property for Visual. Inherited from VisualElement.
WidthProperty static	Bindable property for Width. Inherited from VisualElement.
WidthRequestProperty static	Bindable property for WidthRequest. Inherited from VisualElement.
XProperty static	Bindable property for X. Inherited from VisualElement.
YProperty static	Bindable property for Y. Inherited from VisualElement.

Properties

Name	Description
ActualAppearance	Returns the common appearance settings that are applied to the current FormItemBase descendant. Inherited from FormItemBase.
AllowTap	Indicates whether the control responds to user taps. This is a bindable property. Inherited from FormItemBase.
AnchorX	Gets or sets the X component of the center point for any transform operation, relative to the bounds of the element. This is a bindable property. Inherited from VisualElement.
AnchorY	Gets or sets the Y component of the center point for any transform operation, relative to the bounds of the element. This is a bindable property. Inherited from VisualElement.
ArrowColor	Gets or sets the arrow’s fill color. This is a bindable property. Inherited from FormItemBase.
ArrowMargin	Gets or sets the gaps between the arrow and other form item elements. This is a bindable property. Inherited from FormItemBase.
ArrowTemplate	Gets or sets a template that configures the arrow’s appearance. This is a bindable property. Inherited from FormItemBase.
ArrowVerticalOptions	Gets or sets the vertical alignment of the form item’s arrow. This is a bindable property. Inherited from FormItemBase.
AutomationId	Gets or sets a value that allows the automation framework to find and interact with this element. Inherited from Element.
Background	Gets or sets the Brush which will be used to fill the background of an element. This is a bindable property. Inherited from VisualElement.
BackgroundColor	Gets or sets the Color which will fill the background of an element. This is a bindable property. Inherited from VisualElement.
Batched	Gets a value that indicates there are batched changes done for this element. Inherited from VisualElement.
Behaviors	Gets the list of Behavior objects associated to this element. This is a read-only bindable property. Inherited from VisualElement.
BindingContext

Gets or sets an object that contains the properties that will be targeted by the bound properties that belong to this BindableObject. This is a bindable property.

Gets or sets a value that controls whether child elements inherit the input transparency of this layout when the tranparency is true.

Inherited from Layout. | | Children | Gets the child objects contained in this layout. Inherited from Layout. | | class | Gets or sets the style classes for the element. Inherited from NavigableElement. | | ClassId | Gets or sets a value used to identify a collection of semantically similar elements. Inherited from Element. | | Clip | Specifies the clipping region for an element. This is a bindable property. Inherited from VisualElement. | | DesiredSize | Gets the size that this element computed during the measure pass of the layout process. Inherited from VisualElement. | | Detail | Gets or sets the secondary text (description) of the form item. This is a bindable property. Inherited from FormItemBase. | | DetailColor | Gets or sets the color of the form item’s detail text. This is a bindable property. Inherited from FormItemBase. | | DetailFontAttributes | Gets or sets font attributes of the detail text. This is a bindable property. Inherited from FormItemBase. | | DetailFontFamily | Gets or sets the font family that the form item applies to its Detail. This is a bindable property. Inherited from FormItemBase. | | DetailFontSize | Gets or sets the font size for the detail text. This is a bindable property. Inherited from FormItemBase. | | DetailLineBreakMode | Gets or sets the line break mode for the font item’s detail text. This is a bindable property. Inherited from FormItemBase. | | DetailMargin | Gets or sets the gaps between the detail text and other form item elements. This is a bindable property. Inherited from FormItemBase. | | DetailMaxLineCount | Gets or sets the maximum number of lines the detail text can occupy. This is a bindable property. Inherited from FormItemBase. | | DisableLayout | Gets a value that indicates that layout for this element is disabled. Inherited from VisualElement. | | Dispatcher |

Gets the dispatcher that was available when this bindable object was created, otherwise tries to find the nearest available dispatcher (probably the window’s/app’s).

Inherited from BindableObject. | | EffectControlProvider | For internal use by .NET MAUI. Inherited from Element. | | Effects | Gets or sets the styles and properties that will be applied to the element during runtime. Inherited from Element. | | FlowDirection | Gets or sets the layout flow direction. This is a bindable property. Inherited from VisualElement. | | FontAutoScalingEnabled | Gets or sets whether the form item text is scaled according to the operating system’s text scale setting. This is a bindable property. Inherited from FormItemBase. | | Frame | Gets or sets the frame this element resides in on screen. Inherited from VisualElement. | | GestureRecognizers | The collection of gesture recognizers associated with this view. Inherited from View. | | Handler | Gets or sets the IViewHandler associated to this element. Inherited from VisualElement. | | Height | Gets the current rendered height of this element. This is a read-only bindable property. Inherited from VisualElement. | | HeightRequest | Gets or sets the desired height override of this element. This is a bindable property. Inherited from VisualElement. | | HorizontalOptions | Gets or sets the LayoutOptions that define how the element gets laid out in a layout cycle. This is a bindable property. Inherited from View. | | HorizontalSpacing | Gets or sets the amount of horizontal space between form items in the FormGroupItem. This is a bindable property. Inherited from FormItemBase. | | Id | Gets a value that can be used to uniquely identify an element throughout the run of your application. Inherited from Element. | | ImageColor | Gets or sets the image’s fill color. This is a bindable property. Inherited from FormItemBase. | | ImageHeight | Gets or sets the form item’s image height. This is a bindable property. Inherited from FormItemBase. | | ImageMargin | Gets or sets the gaps between the image and other form item elements. This is a bindable property. Inherited from FormItemBase. | | ImageSource | Gets or sets the image source. This is a bindable property. Inherited from FormItemBase. | | ImageTemplate | Gets or sets a template that configures the image content and appearance. This is a bindable property. Inherited from FormItemBase. | | ImageVerticalOptions | Gets or sets the vertical alignment for the image. This is a bindable property. Inherited from FormItemBase. | | ImageWidth | Gets or sets the form item’s image width. This is a bindable property. Inherited from FormItemBase. | | InputTransparent | Gets or sets a value indicating whether this element responds to hit testing during user interaction. This is a bindable property. Inherited from VisualElement. | | IsClippedToBounds |

Gets or sets a value which determines if the layout should clip its children to its bounds. The default value is false.

Inherited from Layout. | | IsEnabled | Gets or sets a value indicating whether this element is enabled in the user interface. This is a bindable property. Inherited from VisualElement. | | IsFocused | Gets a value indicating whether this element is focused currently. This is a bindable property. Inherited from VisualElement. | | IsPlatformEnabled | Gets or sets a value that indicates whether this elements’s platform equivalent element is enabled. Inherited from VisualElement. | | IsVisible | Gets or sets a value that determines whether this element will be visible on screen and take up space in layouts. This is a bindable property. Inherited from VisualElement. | | LogicalChildren | For internal use by the Microsoft.Maui.Controls platform. Inherited from Element. | | Margin | Gets or set the margin for the view. Inherited from View. | | MinimumHeightRequest | Gets or sets the minimum height the element will request during layout. This is a bindable property. Inherited from VisualElement. | | MinimumWidthRequest | Gets or sets the minimum width the element will request during layout. This is a bindable property. Inherited from VisualElement. | | Navigation | Gets the object responsible for handling stack-based navigation. Inherited from NavigableElement. | | NavigationProxy | Gets the cast of Navigation to a NavigationProxy. Inherited from NavigableElement. | | Opacity | Gets or sets the opacity value applied to the element when it is rendered. The range of this value is 0 to 1; values outside this range will be set to the nearest valid value. This is a bindable property. Inherited from VisualElement. | | Padding |

Gets or sets the inner padding of the layout. The default value is a Thickness with all values set to 0.

Inherited from Layout. | | Parent | Gets or sets the parent Element of this element. Inherited from Element. | | PressedColor | Gets or sets the FormItemBase descendant’s color in the pressed state. This is a bindable property. Inherited from FormItemBase. | | RealParent | For internal use by .NET MAUI. Inherited from Element. | | Resources | Gets or sets the local resource dictionary. Inherited from VisualElement. | | Rotation | Gets or sets the rotation (in degrees) about the Z-axis (affine rotation) when the element is rendered. This is a bindable property. Inherited from VisualElement. | | RotationX | Gets or sets the rotation (in degrees) about the X-axis (perspective rotation) when the element is rendered. This is a bindable property. Inherited from VisualElement. | | RotationY | Gets or sets the rotation (in degrees) about the Y-axis (perspective rotation) when the element is rendered. This is a bindable property. Inherited from VisualElement. | | Scale | Gets or sets the scale factor applied to the element. This is a bindable property. Inherited from VisualElement. | | ScaleX | Gets or sets a scale value to apply to the X direction. This is a bindable property. Inherited from VisualElement. | | ScaleY | Gets or sets a scale value to apply to the Y direction. This is a bindable property. Inherited from VisualElement. | | SeparatorColor | Gets or sets the separator’s fill color. This is a bindable property. Inherited from FormItemBase. | | SeparatorMargin | Gets or sets the form item separator margin. This is a bindable property. Inherited from FormItemBase. | | SeparatorThickness | Gets or sets the form item’s separator thickness. This is a bindable property. Inherited from FormItemBase. | | ShowArrow | Gets or sets whether to show the form items’s arrow. This is a bindable property. Inherited from FormItemBase. | | ShowSeparator | Gets or sets whether to show the form items’s separator. This is a bindable property. Inherited from FormItemBase. | | Style | Gets or sets the unique Style for this element. Inherited from NavigableElement. | | StyleClass | Gets or sets the style classes for the element. Inherited from NavigableElement. | | StyleId | Gets or sets a user defined value to uniquely identify the element. Inherited from Element. | | TapCommand | Gets or sets a command executed when a user taps the form item. This is a bindable property. Inherited from FormItemBase. | | TapCommandParameter | Gets or sets the parameter passed to the TapCommand. This is a bindable property. Inherited from FormItemBase. | | Text | Gets or sets the primary text for the form item. This is a bindable property. Inherited from FormItemBase. | | TextColor | Gets or sets the form item Text color. This is a bindable property. Inherited from FormItemBase. | | TextFontAttributes | Gets or sets the font style that the form item applies to its Text. This is a bindable property. Inherited from FormItemBase. | | TextFontFamily | Gets or sets the font family that the form item applies for its Text. This is a bindable property. Inherited from FormItemBase. | | TextFontSize | Gets or sets the font size for the detail text. This is a bindable property. Inherited from FormItemBase. | | TextLineBreakMode | Specifies the line breaking mode for the font item’s text. This is a bindable property. Inherited from FormItemBase. | | TextMargin | Gets or sets the gaps between the primary text and other form item elements. This is a bindable property. Inherited from FormItemBase. | | TextMaxLineCount | Gets or sets the maximum number of lines the text can occupy. This is a bindable property. Inherited from FormItemBase. | | TranslationX | Gets or sets the X translation delta of the element. This is a bindable property. Inherited from VisualElement. | | TranslationY | Gets or sets the Y translation delta of the element. This is a bindable property. Inherited from VisualElement. | | Triggers | Gets the list of TriggerBase objects associated to this element. This is a read-only bindable property. Inherited from VisualElement. | | UseRippleEffect | Gets or sets whether to show ripple effects when users tap a data form item. This is a bindable property. Inherited from FormItemBase. | | VerticalOptions | Gets or sets the LayoutOptions that define how the element gets laid out in a layout cycle. This is a bindable property. Inherited from View. | | VerticalSpacing | Gets or sets the amount of vertical space between items in the FormGroupItem when they are arranged in multiple rows. This is a bindable property. Inherited from FormItemBase. | | Visual | Gets or sets a IVisual implementation that overrides the visual appearance of an element. This is a bindable property. Inherited from VisualElement. | | Width | Gets the current width of this element. This is a read-only bindable property. Inherited from VisualElement. | | WidthRequest | Gets or sets the desired width override of this element. This is a bindable property. Inherited from VisualElement. | | X | Gets the current X position of this element. This is a read-only bindable property. Inherited from VisualElement. | | Y | Gets the current Y position of this element. This is a read-only bindable property. Inherited from VisualElement. |

Methods

Name	Description
ApplyBindings() protected	Applies all the current bindings to BindingContext. Inherited from BindableObject.
BatchBegin()	Signals the start of a batch of changes to the elements properties. This can benefit performance if a bigger number of property values are changed. Inherited from VisualElement.
BatchCommit()	Signals the end of a batch of commands to the element and that those commands should now be committed. Inherited from VisualElement.
ChangeVisualState() protected	Changes the current visual state based on this elements current property values. Inherited from VisualElement.
ClearValue(BindableProperty)	Clears any value that is previously set for a bindable property. Inherited from BindableObject.
ClearValue(BindablePropertyKey)	Clears any value that is previously set for a bindable property, identified by its key. Inherited from BindableObject.
CoerceValue(BindableProperty)

Coerces the value of the specified bindable property. This is done by invoking BindableProperty.CoerceValueDelegate of the specified bindable property.

Inherited from BindableObject. | | CoerceValue(BindablePropertyKey) |

Coerces the value of the specified bindable property. This is done by invoking BindableProperty.CoerceValueDelegate of the specified bindable property.

Inherited from BindableObject. | | EffectIsAttached(String) | For internal use by .NET MAUI. Inherited from Element. | | Equals(Object, Object) static | Determines whether the specified object instances are considered equal. Inherited from System.Object. | | Equals(Object) | Determines whether the specified object is equal to the current object. Inherited from System.Object. | | FindByName(String) | Returns the element that has the specified name. Inherited from Element. | | Focus() | Attempts to set focus to this element. Inherited from VisualElement. | | GetChildElements(Point) | Gets the child elements that are visually beneath the specified point. Inherited from View. | | GetHashCode() | Serves as the default hash function. Inherited from System.Object. | | GetType() | Gets the Type of the current instance. Inherited from System.Object. | | GetValue(BindableProperty) | Returns the value that is contained in the given bindable property. Inherited from BindableObject. | | InvalidateMeasure() protected | Marks the current measure of an element as invalidated. Inherited from VisualElement. | | InvalidateMeasureNonVirtual(InvalidationTrigger) | Invalidates the measure of an element. Inherited from VisualElement. | | IsSet(BindableProperty) | Determines whether or not a bindable property exists and has a value set. Inherited from BindableObject. | | Measure(Double, Double, MeasureFlags) | Returns the minimum size that an element needs in order to be displayed on the device. Inherited from VisualElement. | | MemberwiseClone() protected | Creates a shallow copy of the current Object. Inherited from System.Object. | | IElementController.SetValueFromRenderer(BindableProperty, Object) | For internal use by .NET MAUI. Inherited from Element. | | OnChildAdded(Element) protected | Invoked when a child object is added to this element. Inherited from VisualElement. | | OnChildRemoved(Element, Int32) protected | Invoked when a child object is removed from this element. Inherited from VisualElement. | | OnChildrenReordered() protected | Raises the ChildrenReordered event. Inherited from VisualElement. | | OnMeasure(Double, Double) protected | Method that is called when a layout measurement happens. Inherited from VisualElement. | | OnPropertyChanging(String) protected | Raises the PropertyChanging event. Inherited from BindableObject. | | ReferenceEquals(Object, Object) static | Determines whether the specified Object instances are the same instance. Inherited from System.Object. | | RemoveBinding(BindableProperty) | Removes a previously set binding from a bindable property. Inherited from BindableObject. | | RemoveDynamicResource(BindableProperty) | Removes a previously set dynamic resource. Inherited from Element. | | SetBinding(BindableProperty, BindingBase) | Assigns a binding to a bindable property. Inherited from BindableObject. | | SetDynamicResource(BindableProperty, String) | Sets the BindableProperty property of this element to be updated via the DynamicResource with the provided key. Inherited from Element. | | SetInheritedBindingContext(BindableObject, Object) static | Sets the inherited context to a nested element. Inherited from BindableObject. | | SetValue(BindableProperty, Object) | Sets the value of the specified bindable property. Inherited from BindableObject. | | SetValue(BindablePropertyKey, Object) | Sets the value of the specified bindable property. Inherited from BindableObject. | | SetValueCore(BindableProperty, Object, SetValueFlags) | For internal use by the Microsoft.Maui.Controls platform. Inherited from BindableObject. | | SetValueFromRenderer(BindableProperty, Object) | For internal use by .NET MAUI. Inherited from Element. | | SetValueFromRenderer(BindablePropertyKey, Object) | For internal use by .NET MAUI. Inherited from Element. | | SizeAllocated(Double, Double) protected | Method that is called during a layout cycle to signal the start of a sub-tree layout. Inherited from VisualElement. | | ToString() | Returns a string that represents the current object. Inherited from System.Object. | | UnapplyBindings() protected | Removes all current bindings from the current context. Inherited from BindableObject. | | Unfocus() | Unsets keyboard focus on this element. Inherited from VisualElement. |

Events

Name	Description
BatchCommitted	Occurs when a batch of property changes have been committed by calling BatchCommit(). Inherited from VisualElement.
BindingContextChanged	Occurs when the value of the BindingContext property changes. Inherited from BindableObject.
ChildAdded	Raised whenever a child element is added to the element. Inherited from Element.
ChildRemoved	Raised whenever a child element is removed from the element. Inherited from Element.
ChildrenReordered	Occurs when the order of this element’s children changes. Inherited from VisualElement.
DescendantAdded	Raised whenever a child element is added to the element’s subtree. Inherited from Element.
DescendantRemoved	Raised whenever a child element is removed from the elements subtree. Inherited from Element.
FocusChangeRequested	Occurs when a focus change is requested. Inherited from VisualElement.
Focused	Occurs when this element is focused. Inherited from VisualElement.
MeasureInvalidated	Occurs when the current measure of an element has been invalidated. Inherited from VisualElement.
PropertyChanged	Occurs when a property value changes. Inherited from BindableObject.
PropertyChanging	Occurs when a property value is changing. Inherited from BindableObject.
SizeChanged	Occurs when the size of an element changed. Inherited from VisualElement.
Tap	Occurs when a user taps the form item. Inherited from FormItemBase.
Unfocused	Occurs when this element is unfocused. Inherited from VisualElement.