InteractiveOverlay¶

Namespace: ThinkGeo.UI.Maui

Provides an overlay that supports interactive gesture handling.

public abstract class InteractiveOverlay : GraphicsViewOverlay, System.ComponentModel.INotifyPropertyChanged, Microsoft.Maui.Controls.Internals.IDynamicResourceHandler, Microsoft.Maui.Controls.IElementDefinition, Microsoft.Maui.Controls.Internals.INameScope, Microsoft.Maui.Controls.IElementController, Microsoft.Maui.IVisualTreeElement, Microsoft.Maui.IElement, Microsoft.Maui.Controls.IEffectControlProvider, Microsoft.Maui.IToolTipElement, Microsoft.Maui.IContextFlyoutElement, Microsoft.Maui.Controls.IControlsElement, Microsoft.Maui.IHandlerDisconnectPolicies, Microsoft.Maui.Controls.StyleSheets.IStyleSelectable, Microsoft.Maui.Controls.Internals.INavigationProxy, Microsoft.Maui.Controls.IAnimatable, Microsoft.Maui.Controls.IVisualElementController, Microsoft.Maui.Controls.IResourcesProvider, Microsoft.Maui.Controls.IStyleElement, Microsoft.Maui.Controls.IFlowDirectionController, Microsoft.Maui.Controls.IPropertyPropagationController, Microsoft.Maui.Controls.IVisualController, Microsoft.Maui.Controls.IWindowController, Microsoft.Maui.IView, Microsoft.Maui.ITransform, Microsoft.Maui.Controls.IControlsVisualElement, Microsoft.Maui.IConstrainedView, Microsoft.Maui.Controls.StyleSheets.IStylable, Microsoft.Maui.Controls.IViewController, Microsoft.Maui.Controls.Internals.IGestureController, Microsoft.Maui.Controls.IGestureRecognizers, Microsoft.Maui.IPropertyMapperView, Microsoft.Maui.HotReload.IHotReloadableView, Microsoft.Maui.IReplaceableView, Microsoft.Maui.Controls.IControlsView, Microsoft.Maui.ILayout, Microsoft.Maui.IContainer, System.Collections.Generic.IList`1[[Microsoft.Maui.IView, Microsoft.Maui, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]], System.Collections.Generic.ICollection`1[[Microsoft.Maui.IView, Microsoft.Maui, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]], System.Collections.Generic.IEnumerable`1[[Microsoft.Maui.IView, Microsoft.Maui, Version=10.0.0.0, Culture=neutral, PublicKeyToken=null]], System.Collections.IEnumerable, Microsoft.Maui.ISafeAreaView, Microsoft.Maui.IPadding, Microsoft.Maui.ICrossPlatformLayout, Microsoft.Maui.Controls.IBindableLayout, Microsoft.Maui.Controls.IPaddingElement, Microsoft.Maui.Controls.IInputTransparentContainerElement, Microsoft.Maui.ISafeAreaView2, Microsoft.Maui.ISafeAreaElement, Microsoft.Maui.IAbsoluteLayout, System.IDisposable

Inheritance object → BindableObject → Element → StyleableElement → NavigableElement → VisualElement → View → Layout → AbsoluteLayout → Overlay → GraphicsViewOverlay → InteractiveOverlay
Implements INotifyPropertyChanged, IDynamicResourceHandler, IElementDefinition, INameScope, IElementController, IVisualTreeElement, IElement, IEffectControlProvider, IToolTipElement, IContextFlyoutElement, IControlsElement, IHandlerDisconnectPolicies, IStyleSelectable, INavigationProxy, IAnimatable, IVisualElementController, IResourcesProvider, IStyleElement, IFlowDirectionController, IPropertyPropagationController, IVisualController, IWindowController, IView, ITransform, IControlsVisualElement, IConstrainedView, IStylable, IViewController, IGestureController, IGestureRecognizers, IPropertyMapperView, IHotReloadableView, IReplaceableView, IControlsView, ILayout, IContainer, IList<IView>, ICollection<IView>, IEnumerable<IView>, IEnumerable, ISafeAreaView, IPadding, ICrossPlatformLayout, IBindableLayout, IPaddingElement, IInputTransparentContainerElement, ISafeAreaView2, ISafeAreaElement, IAbsoluteLayout, IDisposable

Fields¶

transientNamescope¶

public INameScope transientNamescope;

Properties¶

Name¶

Gets or sets the name of this overlay.

public string Name { get; set; }

Property Value¶

string

DrawingExceptionMode¶

This property gets and sets the DrawingExceptionMode used when an exception occurs during drawing.

public DrawingExceptionMode DrawingExceptionMode { get; set; }

Property Value¶

DrawingExceptionMode
The drawing exception mode.

IsEmpty¶

This property gets if this overlay is empty or not.

public bool IsEmpty { get; }

Property Value¶

bool

Remarks:

This property enhances the performance of the overlay while drawing. If is true, we will skip drawing this overlay and continue drawing the next overlay.

Children¶

public IList<IView> Children { get; }

Property Value¶

IList<IView>

Count¶

public int Count { get; }

Property Value¶

int

IsReadOnly¶

public bool IsReadOnly { get; }

Property Value¶

bool

Item¶

public IView Item { get; set; }

Property Value¶

IView

IsClippedToBounds¶

public bool IsClippedToBounds { get; set; }

Property Value¶

bool

Padding¶

public Thickness Padding { get; set; }

Property Value¶

Thickness

SafeAreaEdges¶

public SafeAreaEdges SafeAreaEdges { get; set; }

Property Value¶

SafeAreaEdges

IgnoreSafeArea¶

public bool IgnoreSafeArea { get; set; }

Property Value¶

bool

CascadeInputTransparent¶

public bool CascadeInputTransparent { get; set; }

Property Value¶

bool

GestureRecognizers¶

public IList<IGestureRecognizer> GestureRecognizers { get; }

Property Value¶

IList<IGestureRecognizer>

HorizontalOptions¶

public LayoutOptions HorizontalOptions { get; set; }

Property Value¶

LayoutOptions

Margin¶

public Thickness Margin { get; set; }

Property Value¶

Thickness

VerticalOptions¶

public LayoutOptions VerticalOptions { get; set; }

Property Value¶

LayoutOptions

Visual¶

public IVisual Visual { get; set; }

Property Value¶

IVisual

FlowDirection¶

public FlowDirection FlowDirection { get; set; }

Property Value¶

FlowDirection

Window¶

public Window Window { get; }

Property Value¶

Window

AnchorX¶

public double AnchorX { get; set; }

Property Value¶

double

AnchorY¶

public double AnchorY { get; set; }

Property Value¶

double

BackgroundColor¶

public Color BackgroundColor { get; set; }

Property Value¶

Color

Background¶

public Brush Background { get; set; }

Property Value¶

Brush

Behaviors¶

public IList<Behavior> Behaviors { get; }

Property Value¶

IList<Behavior>

Bounds¶

public Rect Bounds { get; }

Property Value¶

Rect

Height¶

public double Height { get; }

Property Value¶

double

HeightRequest¶

public double HeightRequest { get; set; }

Property Value¶

double

InputTransparent¶

public bool InputTransparent { get; set; }

Property Value¶

bool

IsEnabled¶

public bool IsEnabled { get; set; }

Property Value¶

bool

IsFocused¶

public bool IsFocused { get; }

Property Value¶

bool

IsVisible¶

public bool IsVisible { get; set; }

Property Value¶

bool

MinimumHeightRequest¶

public double MinimumHeightRequest { get; set; }

Property Value¶

double

MinimumWidthRequest¶

public double MinimumWidthRequest { get; set; }

Property Value¶

double

MaximumHeightRequest¶

public double MaximumHeightRequest { get; set; }

Property Value¶

double

MaximumWidthRequest¶

public double MaximumWidthRequest { get; set; }

Property Value¶

double

Opacity¶

public double Opacity { get; set; }

Property Value¶

double

Rotation¶

public double Rotation { get; set; }

Property Value¶

double

RotationX¶

public double RotationX { get; set; }

Property Value¶

double

RotationY¶

public double RotationY { get; set; }

Property Value¶

double

Scale¶

public double Scale { get; set; }

Property Value¶

double

ScaleX¶

public double ScaleX { get; set; }

Property Value¶

double

ScaleY¶

public double ScaleY { get; set; }

Property Value¶

double

TranslationX¶

public double TranslationX { get; set; }

Property Value¶

double

TranslationY¶

public double TranslationY { get; set; }

Property Value¶

double

Triggers¶

public IList<TriggerBase> Triggers { get; }

Property Value¶

IList<TriggerBase>

Width¶

public double Width { get; }

Property Value¶

double

WidthRequest¶

public double WidthRequest { get; set; }

Property Value¶

double

X¶

public double X { get; }

Property Value¶

double

Y¶

public double Y { get; }

Property Value¶

double

Clip¶

public Geometry Clip { get; set; }

Property Value¶

Geometry

Batched¶

public bool Batched { get; }

Property Value¶

bool

DisableLayout¶

public bool DisableLayout { get; set; }

Property Value¶

bool

IsInPlatformLayout¶

public bool IsInPlatformLayout { get; set; }

Property Value¶

bool

IsPlatformStateConsistent¶

public bool IsPlatformStateConsistent { get; set; }

Property Value¶

bool

IsPlatformEnabled¶

public bool IsPlatformEnabled { get; set; }

Property Value¶

bool

Resources¶

public ResourceDictionary Resources { get; set; }

Property Value¶

ResourceDictionary

Frame¶

public Rect Frame { get; set; }

Property Value¶

Rect

Handler¶

public IViewHandler Handler { get; set; }

Property Value¶

IViewHandler

Shadow¶

public Shadow Shadow { get; set; }

Property Value¶

Shadow

ZIndex¶

public int ZIndex { get; set; }

Property Value¶

int

DesiredSize¶

public Size DesiredSize { get; protected set; }

Property Value¶

Size

IsLoaded¶

public bool IsLoaded { get; }

Property Value¶

bool

Navigation¶

public INavigation Navigation { get; internal set; }

Property Value¶

INavigation

NavigationProxy¶

public NavigationProxy NavigationProxy { get; }

Property Value¶

NavigationProxy

Style¶

public Style Style { get; set; }

Property Value¶

Style

StyleClass¶

public IList<string> StyleClass { get; set; }

Property Value¶

IList<string>

class¶

public IList<string> class { get; set; }

Property Value¶

IList<string>

AutomationId¶

public string AutomationId { get; set; }

Property Value¶

string

ClassId¶

public string ClassId { get; set; }

Property Value¶

string

Effects¶

public IList<Effect> Effects { get; }

Property Value¶

IList<Effect>

Id¶

public Guid Id { get; }

Property Value¶

Guid

StyleId¶

public string StyleId { get; set; }

Property Value¶

string

LogicalChildren¶

public ReadOnlyCollection<Element> LogicalChildren { get; }

Property Value¶

ReadOnlyCollection<Element>

RealParent¶

public Element RealParent { get; }

Property Value¶

Element

Parent¶

public Element Parent { get; set; }

Property Value¶

Element

EffectControlProvider¶

public IEffectControlProvider EffectControlProvider { get; set; }

Property Value¶

IEffectControlProvider

Handler¶

public IElementHandler Handler { get; set; }

Property Value¶

IElementHandler

Dispatcher¶

public IDispatcher Dispatcher { get; }

Property Value¶

IDispatcher

BindingContext¶

public object BindingContext { get; set; }

Property Value¶

object

Methods¶

TouchUp(TouchUpMapViewEventArgs, IMapView)¶

This method will simulate the TouchUp interaction.

public EventBubblingMode TouchUp(TouchUpMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchUpMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

TouchUpCore(TouchUpMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of TouchUp API.

protected EventBubblingMode TouchUpCore(TouchUpMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchUpMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

TouchRotate(TouchRotateMapViewEventArgs, IMapView)¶

This method will simulate the TouchRotate interaction.

public EventBubblingMode TouchRotate(TouchRotateMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchRotateMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

TouchRotateCore(TouchRotateMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of TouchDown API.

protected EventBubblingMode TouchRotateCore(TouchRotateMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchRotateMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

TouchDown(TouchDownMapViewEventArgs, IMapView)¶

This method will simulate the TouchDown interaction.

public EventBubblingMode TouchDown(TouchDownMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchDownMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

TouchDownCore(TouchDownMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of TouchDown API.

protected EventBubblingMode TouchDownCore(TouchDownMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchDownMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

TouchMove(TouchMoveMapViewEventArgs, IMapView)¶

This method will simulate the TouchMove interaction.

public EventBubblingMode TouchMove(TouchMoveMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchMoveMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

TouchMoveCore(TouchMoveMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of TouchMove API.

protected EventBubblingMode TouchMoveCore(TouchMoveMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchMoveMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

TouchPointerDown(Pointer1DownMapViewEventArgs, IMapView)¶

This method will simulate the Pointer1Down interaction.

public EventBubblingMode TouchPointerDown(Pointer1DownMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1DownMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

TouchPointerDownCore(Pointer1DownMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of Pointer1Down API.

protected EventBubblingMode TouchPointerDownCore(Pointer1DownMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1DownMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

TouchPointerUp(Pointer1UpMapViewEventArgs, IMapView)¶

This method will simulate the Pointer1Up interaction.

public EventBubblingMode TouchPointerUp(Pointer1UpMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1UpMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

TouchPointerUpCore(Pointer1UpMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of Pointer1Up API.

protected EventBubblingMode TouchPointerUpCore(Pointer1UpMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1UpMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

SingleTap(SingleTapMapViewEventArgs, IMapView)¶

This method will simulate the SingleTap interaction.

public EventBubblingMode SingleTap(SingleTapMapViewEventArgs e, IMapView mapView)

Parameters¶

e SingleTapMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

SingleTapCore(SingleTapMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of SingleTap API.

protected EventBubblingMode SingleTapCore(SingleTapMapViewEventArgs e, IMapView mapView)

Parameters¶

e SingleTapMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

DoubleTap(DoubleTapMapViewEventArgs, IMapView)¶

This method will simulate the DoubleTap interaction.

public EventBubblingMode DoubleTap(DoubleTapMapViewEventArgs e, IMapView mapView)

Parameters¶

e DoubleTapMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

DoubleTapCore(DoubleTapMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of MouseDoubleClick API.

protected EventBubblingMode DoubleTapCore(DoubleTapMapViewEventArgs e, IMapView mapView)

Parameters¶

e DoubleTapMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

LongPress(LongPressMapViewEventArgs, IMapView)¶

This method will simulate the LongPress interaction.

public EventBubblingMode LongPress(LongPressMapViewEventArgs e, IMapView mapView)

Parameters¶

e LongPressMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Remarks:

This method is the concrete wrapper for its virtual Core method.

As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.

LongPressCore(LongPressMapViewEventArgs, IMapView)¶

This protected virtual method is the Core method of LongPress API.

protected EventBubblingMode LongPressCore(LongPressMapViewEventArgs e, IMapView mapView)

Parameters¶

e LongPressMapViewEventArgs
This parameter is the interaction arguments for the method.

mapView IMapView
The mapView the overlay is added to

Returns¶

EventBubblingMode
Interaction results of this method.

Events¶

Drawing¶

This event raises before the overlay is drawing.

public event EventHandler<DrawingOverlayEventArgs> Drawing;

Drawn¶

This event raises after the overlay is drawn.

public event EventHandler<DrawnOverlayEventArgs> Drawn;

ChildrenReordered¶

public event EventHandler ChildrenReordered;

Focused¶

public event EventHandler<FocusEventArgs> Focused;

MeasureInvalidated¶

public event EventHandler MeasureInvalidated;

SizeChanged¶

public event EventHandler SizeChanged;

Unfocused¶

public event EventHandler<FocusEventArgs> Unfocused;

BatchCommitted¶

public event EventHandler<EventArg<VisualElement>> BatchCommitted;

FocusChangeRequested¶

public event EventHandler<FocusRequestArgs> FocusChangeRequested;

Loaded¶

public event EventHandler Loaded;

Unloaded¶

public event EventHandler Unloaded;

ChildAdded¶

public event EventHandler<ElementEventArgs> ChildAdded;

ChildRemoved¶

public event EventHandler<ElementEventArgs> ChildRemoved;

DescendantAdded¶

public event EventHandler<ElementEventArgs> DescendantAdded;

DescendantRemoved¶

public event EventHandler<ElementEventArgs> DescendantRemoved;

ParentChanging¶

public event EventHandler<ParentChangingEventArgs> ParentChanging;

ParentChanged¶

public event EventHandler ParentChanged;

HandlerChanging¶

public event EventHandler<HandlerChangingEventArgs> HandlerChanging;

HandlerChanged¶

public event EventHandler HandlerChanged;

PropertyChanged¶

public event PropertyChangedEventHandler PropertyChanged;

PropertyChanging¶

public event PropertyChangingEventHandler PropertyChanging;

BindingContextChanged¶

public event EventHandler BindingContextChanged;