EventView¶

Namespace: ThinkGeo.UI.Maui

Provides gesture handling helpers that translate touch input into map transformations.

public class EventView : Microsoft.Maui.Controls.AbsoluteLayout, 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

Inheritance object → BindableObject → Element → StyleableElement → NavigableElement → VisualElement → View → Layout → AbsoluteLayout → EventView
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

Fields¶

transientNamescope¶

public INameScope transientNamescope;

Properties¶

DoubleTapMode¶

Gets or sets the double tap mode.

public MapDoubleTapMode DoubleTapMode { get; set; }

Property Value¶

MapDoubleTapMode
The double tap mode.

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

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

Constructors¶

EventView()¶

Initializes a new instance of the EventView class.

public EventView()

Methods¶

TouchUp(TouchUpMapViewEventArgs, IMapView)¶

Handles a touch-up gesture and produces the resulting map transformation arguments.

public TransformArguments TouchUp(TouchUpMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchUpMapViewEventArgs
The touch-up event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to leave it unchanged.

TouchRotate(TouchRotateMapViewEventArgs, IMapView)¶

Handles a rotation gesture and produces the resulting map transformation arguments.

public TransformArguments TouchRotate(TouchRotateMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchRotateMapViewEventArgs
The rotation event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to leave it unchanged.

TouchDown(TouchDownMapViewEventArgs, IMapView)¶

Handles a touch-down gesture and produces the resulting map transformation arguments.

public TransformArguments TouchDown(TouchDownMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchDownMapViewEventArgs
The touch-down event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to leave it unchanged.

TouchMove(TouchMoveMapViewEventArgs, IMapView)¶

Handles a touch-move gesture and produces the resulting map transformation arguments.

public TransformArguments TouchMove(TouchMoveMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchMoveMapViewEventArgs
The touch-move event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to leave it unchanged.

TouchPointerDown(Pointer1DownMapViewEventArgs, IMapView)¶

Handles a pointer-down gesture and produces the resulting map transformation arguments.

public TransformArguments TouchPointerDown(Pointer1DownMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1DownMapViewEventArgs
The pointer-down event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to leave it unchanged.

TouchPointerUp(Pointer1UpMapViewEventArgs, IMapView)¶

Handles a pointer-up gesture and produces the resulting map transformation arguments.

public TransformArguments TouchPointerUp(Pointer1UpMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1UpMapViewEventArgs
The pointer-up event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to leave it unchanged.

DoubleTap(DoubleTapMapViewEventArgs, IMapView)¶

Handles a double-tap gesture and produces the resulting map transformation arguments.

public TransformArguments DoubleTap(DoubleTapMapViewEventArgs e, IMapView mapView)

Parameters¶

e DoubleTapMapViewEventArgs
The double-tap event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map.

FEc=(ScrollEventArgs, IMapView)¶

internal TransformArguments FEc=(ScrollEventArgs e, IMapView mapView)

Parameters¶

e ScrollEventArgs

mapView IMapView

Returns¶

TransformArguments

TouchDownCore(TouchDownMapViewEventArgs, IMapView)¶

Processes the core logic for touch-down gestures.

protected TransformArguments TouchDownCore(TouchDownMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchDownMapViewEventArgs
The touch-down event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to defer changes.

TouchUpCore(TouchUpMapViewEventArgs, IMapView)¶

Processes the core logic for touch-up gestures.

protected TransformArguments TouchUpCore(TouchUpMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchUpMapViewEventArgs
The touch-up event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null when no change is required.

TouchPointerUpCore(Pointer1UpMapViewEventArgs, IMapView)¶

Processes the core logic for pointer-up gestures.

protected TransformArguments TouchPointerUpCore(Pointer1UpMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1UpMapViewEventArgs
The pointer-up event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null when no change is required.

TouchMoveCore(TouchMoveMapViewEventArgs, IMapView)¶

Processes the core logic for touch-move gestures.

protected TransformArguments TouchMoveCore(TouchMoveMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchMoveMapViewEventArgs
The touch-move event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null when no change is required.

GetNewCenterPoint(PointShape, double, double, double, double)¶

Calculates a new map center based on the specified screen offsets and rotation.

public PointShape GetNewCenterPoint(PointShape oldCenter, double offsetX, double offsetY, double rotation, double resolution)

Parameters¶

oldCenter PointShape
The original center point.

offsetX double
The offset along the X axis in screen coordinates.

offsetY double
The offset along the Y axis in screen coordinates.

rotation double
The map rotation angle in degrees.

resolution double
The current map resolution.

Returns¶

PointShape
The new center point after applying the transformation.

TouchRotateCore(TouchRotateMapViewEventArgs, IMapView)¶

Processes the core logic for rotation gestures.

protected TransformArguments TouchRotateCore(TouchRotateMapViewEventArgs e, IMapView mapView)

Parameters¶

e TouchRotateMapViewEventArgs
The rotation event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null when no change is required.

TouchPointerDownCore(Pointer1DownMapViewEventArgs, IMapView)¶

Processes the core logic for pointer-down gestures.

protected TransformArguments TouchPointerDownCore(Pointer1DownMapViewEventArgs e, IMapView mapView)

Parameters¶

e Pointer1DownMapViewEventArgs
The pointer-down event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null to leave it unchanged.

DoubleTapCore(DoubleTapMapViewEventArgs, IMapView)¶

Processes the core logic for double-tap gestures.

protected TransformArguments DoubleTapCore(DoubleTapMapViewEventArgs e, IMapView mapView)

Parameters¶

e DoubleTapMapViewEventArgs
The double-tap event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map.

ScrollWheelCore(ScrollEventArgs, IMapView)¶

Processes the core logic for scroll-wheel gestures.

protected TransformArguments ScrollWheelCore(ScrollEventArgs e, IMapView mapView)

Parameters¶

e ScrollEventArgs
The scroll event arguments.

mapView IMapView
The map view receiving the input.

Returns¶

TransformArguments
The transformation instructions to apply to the map, or null when no change is required.

Events¶

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;