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.Maui

Assembly: Esri.ArcGISRuntime.Toolkit.Maui.dll

Syntax

public class GeoViewController

Fields

| Improve this Doc View Source

GeoViewControllerProperty

Identifies the GeoViewController attached property.

Declaration

public static readonly BindableProperty GeoViewControllerProperty

Field Value

Type	Description
BindableProperty

Properties

| Improve this Doc View Source

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

| Improve this Doc View Source

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.

| Improve this Doc View Source

DismissCallout()

Declaration

public virtual void DismissCallout()

| Improve this Doc View Source

GetCurrentViewpoint(ViewpointType)

Declaration

public virtual Viewpoint? GetCurrentViewpoint(ViewpointType viewpointType)

Parameters

Type	Name	Description
ViewpointType	viewpointType

Returns

Type	Description
Nullable<Viewpoint>

| Improve this Doc View Source

IdentifyGraphicsOverlayAsync(GraphicsOverlay, Point, Double, Boolean, Int64)

Declaration

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

Parameters

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

Returns

Type	Description
Task<Nullable<IdentifyGraphicsOverlayResult>>

| Improve this Doc View Source

IdentifyGraphicsOverlaysAsync(Point, Double, Boolean, Int64)

Declaration

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

Parameters

Type	Name	Description
Point	screenPoint
Double	tolerance
Boolean	returnPopupsOnly
Int64	maximumResultsPerOverlay

Returns

Type	Description
Task<IReadOnlyList<IdentifyGraphicsOverlayResult>>

| Improve this Doc View Source

IdentifyLayerAsync(Layer, Point, Double, Boolean, CancellationToken)

Declaration

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

Parameters

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

Returns

Type	Description
Task<Nullable<IdentifyLayerResult>>

| Improve this Doc View Source

IdentifyLayersAsync(Point, Double, Boolean, CancellationToken)

Declaration

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

Parameters

Type	Name	Description
Point	screenPoint
Double	tolerance
Boolean	returnPopupsOnly
CancellationToken	cancellationToken

Returns

Type	Description
Task<IReadOnlyList<IdentifyLayerResult>>

| Improve this Doc View Source

OnGeoViewAttached(GeoView)

Raised when the GeoViewController has been attached to a .

Declaration

protected virtual void OnGeoViewAttached(GeoView geoView)

Parameters

Type	Name	Description
GeoView	geoView

| Improve this Doc View Source

OnGeoViewDetached(GeoView)

Raised when the GeoViewController has been detached from a .

Declaration

protected virtual void OnGeoViewDetached(GeoView geoView)

Parameters

Type	Name	Description
GeoView	geoView

| Improve this Doc View Source

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

| Improve this Doc View Source

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

| Improve this Doc View Source

SetViewpoint(Viewpoint)

Declaration

public virtual void SetViewpoint(Viewpoint viewpoint)

Parameters

Type	Name	Description
Viewpoint	viewpoint

| Improve this Doc View Source

SetViewpointAsync(Viewpoint)

Declaration

public virtual Task<bool> SetViewpointAsync(Viewpoint viewpoint)

Parameters

Type	Name	Description
Viewpoint	viewpoint

Returns

Type	Description
Task<Boolean>

| Improve this Doc View Source

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>

| Improve this Doc View Source

ShowCalloutAt(Geometry.MapPoint, CalloutDefinition)

Declaration

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

Parameters

Type	Name	Description
Geometry.MapPoint	location
CalloutDefinition	definition

| Improve this Doc View Source

ShowCalloutForGeoElement(GeoElement, Point, CalloutDefinition)

Declaration

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

Parameters

Type	Name	Description
GeoElement	element
Point	tapPosition
CalloutDefinition	definition