Class GeoViewController

Helper class for separating GeoView and ViewModel in an MVVM pattern, while allowing operations on the view from the ViewModel.

Inheritance

Object

GeoViewController

Namespace: Esri.ArcGISRuntime.Toolkit.UI

Assembly: Esri.ArcGISRuntime.Toolkit.WinUI.dll

Syntax

public class GeoViewController

Fields

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GeoViewControllerProperty

Identifies the GeoViewController attached property.

Declaration

public static readonly DependencyProperty GeoViewControllerProperty

Field Value

Type	Description
DependencyProperty

Properties

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ConnectedView

Gets a reference to the GeoView this controller is currently connected to.

Declaration

protected GeoView? ConnectedView { get; }

Property Value

Type	Description
Nullable<GeoView>

Methods

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Attach(Nullable<GeoView>)

Attaches a geoview to the controller, or detaches if null.

Declaration

public void Attach(GeoView? geoView)

Parameters

Type	Name	Description
Nullable<GeoView>	geoView	The to attach, or `null` is detaching.

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DismissCallout()

Declaration

public virtual void DismissCallout()

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GetCurrentViewpoint(ViewpointType)

Declaration

public virtual Viewpoint? GetCurrentViewpoint(ViewpointType viewpointType)

Parameters

Type	Name	Description
ViewpointType	viewpointType

Returns

Type	Description
Nullable<Viewpoint>

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GetGeoViewController(UI.Xaml.DependencyObject)

Gets the value of the Esri.ArcGISRuntime XAML attached property from the specified .

Declaration

public static GeoViewController GetGeoViewController(UI.Xaml.DependencyObject geoView)

Parameters

Type	Name	Description
UI.Xaml.DependencyObject	geoView	The from which to read the property value.

Returns

Type	Description
GeoViewController	The value of the Esri.ArcGISRuntime XAML attached property on the target element.

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IdentifyGraphicsOverlayAsync(GraphicsOverlay, Windows.Foundation.Point, Double, Boolean, Int64)

Declaration

public virtual async Task<IdentifyGraphicsOverlayResult?> IdentifyGraphicsOverlayAsync(GraphicsOverlay overlay, Windows.Foundation.Point screenPoint, double tolerance, bool returnPopupsOnly = false, long maximumResults = 1L)

Parameters

Type	Name	Description
GraphicsOverlay	overlay
Windows.Foundation.Point	screenPoint
Double	tolerance
Boolean	returnPopupsOnly
Int64	maximumResults

Returns

Type	Description
Task<Nullable<IdentifyGraphicsOverlayResult>>

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IdentifyGraphicsOverlaysAsync(Windows.Foundation.Point, Double, Boolean, Int64)

Declaration

public virtual Task<IReadOnlyList<IdentifyGraphicsOverlayResult>> IdentifyGraphicsOverlaysAsync(Windows.Foundation.Point screenPoint, double tolerance, bool returnPopupsOnly = false, long maximumResultsPerOverlay = 1L)

Parameters

Type	Name	Description
Windows.Foundation.Point	screenPoint
Double	tolerance
Boolean	returnPopupsOnly
Int64	maximumResultsPerOverlay

Returns

Type	Description
Task<IReadOnlyList<IdentifyGraphicsOverlayResult>>

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IdentifyLayerAsync(Layer, Windows.Foundation.Point, Double, Boolean, CancellationToken)

Declaration

public virtual async Task<IdentifyLayerResult?> IdentifyLayerAsync(Layer layer, Windows.Foundation.Point screenPoint, double tolerance, bool returnPopupsOnly = false, CancellationToken cancellationToken = null)

Parameters

Type	Name	Description
Layer	layer
Windows.Foundation.Point	screenPoint
Double	tolerance
Boolean	returnPopupsOnly
CancellationToken	cancellationToken

Returns

Type	Description
Task<Nullable<IdentifyLayerResult>>

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IdentifyLayersAsync(Windows.Foundation.Point, Double, Boolean, CancellationToken)

Declaration

public virtual Task<IReadOnlyList<IdentifyLayerResult>> IdentifyLayersAsync(Windows.Foundation.Point screenPoint, double tolerance, bool returnPopupsOnly = false, CancellationToken cancellationToken = null)

Parameters

Type	Name	Description
Windows.Foundation.Point	screenPoint
Double	tolerance
Boolean	returnPopupsOnly
CancellationToken	cancellationToken

Returns

Type	Description
Task<IReadOnlyList<IdentifyLayerResult>>

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OnGeoViewAttached(GeoView)

Raised when the GeoViewController has been attached to a .

Declaration

protected virtual void OnGeoViewAttached(GeoView geoView)

Parameters

Type	Name	Description
GeoView	geoView

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OnGeoViewDetached(GeoView)

Raised when the GeoViewController has been detached from a .

Declaration

protected virtual void OnGeoViewDetached(GeoView geoView)

Parameters

Type	Name	Description
GeoView	geoView

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OnGeoViewLoaded(GeoView)

Raised when the attached loads into the active view.

Declaration

protected virtual void OnGeoViewLoaded(GeoView geoView)

Parameters

Type	Name	Description
GeoView	geoView	GeoView that was loaded

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OnGeoViewUnloaded(GeoView)

Raised when the attached unloads from the active view.

Declaration

protected virtual void OnGeoViewUnloaded(GeoView geoView)

Parameters

Type	Name	Description
GeoView	geoView	GeoView that was unloaded

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SetGeoViewController(UI.Xaml.DependencyObject, GeoViewController)

Sets the value of the Esri.ArcGISRuntime XAML attached property on the specified object.

Declaration

public static void SetGeoViewController(UI.Xaml.DependencyObject geoView, GeoViewController value)

Parameters

Type	Name	Description
UI.Xaml.DependencyObject	geoView	The target on which to set the Esri.ArcGISRuntime XAML attached property.
GeoViewController	value	The property value to set.

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SetViewpoint(Viewpoint)

Declaration

public virtual void SetViewpoint(Viewpoint viewpoint)

Parameters

Type	Name	Description
Viewpoint	viewpoint

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SetViewpointAsync(Viewpoint)

Declaration

public virtual Task<bool> SetViewpointAsync(Viewpoint viewpoint)

Parameters

Type	Name	Description
Viewpoint	viewpoint

Returns

Type	Description
Task<Boolean>

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SetViewpointAsync(Viewpoint, TimeSpan)

Declaration

public virtual Task<bool> SetViewpointAsync(Viewpoint viewpoint, TimeSpan duration)

Parameters

Type	Name	Description
Viewpoint	viewpoint
TimeSpan	duration

Returns

Type	Description
Task<Boolean>

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ShowCalloutAt(Geometry.MapPoint, CalloutDefinition)

Declaration

public virtual void ShowCalloutAt(Geometry.MapPoint location, CalloutDefinition definition)

Parameters

Type	Name	Description
Geometry.MapPoint	location
CalloutDefinition	definition

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ShowCalloutForGeoElement(GeoElement, Windows.Foundation.Point, CalloutDefinition)

Declaration

public virtual void ShowCalloutForGeoElement(GeoElement element, Windows.Foundation.Point tapPosition, CalloutDefinition definition)

Parameters

Type	Name	Description
GeoElement	element
Windows.Foundation.Point	tapPosition
CalloutDefinition	definition