dymaptic.GeoBlazor.Core
dymaptic.GeoBlazor.Core.Components
HomeViewModel Class
Provides the logic for the Home component and Home widget that
animates the View to its
initial Viewpoint or a previously defined viewpoint.
ArcGIS Maps SDK for JavaScript
public class HomeViewModel : dymaptic.GeoBlazor.Core.Components.MapComponent,
dymaptic.GeoBlazor.Core.Interfaces.IViewModel,
dymaptic.GeoBlazor.Core.Interfaces.IGoTo
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 MapComponent 🡒 HomeViewModel
Implements IViewModel, IGoTo
Constructors
HomeViewModel() Constructor
Parameterless constructor for use as a Razor Component.
public HomeViewModel();
HomeViewModel(GoToOverride, Viewpoint) Constructor
Constructor for use in C# code. Use named parameters (e.g., item1: value1, item2: value2) to set properties in any order.
public HomeViewModel(dymaptic.GeoBlazor.Core.Functions.GoToOverride? goToOverride=null, dymaptic.GeoBlazor.Core.Components.Viewpoint? viewpoint=null);
Parameters
goToOverride GoToOverride(GoToOverrideParameters)
This function provides the ability to override either the MapView goTo() or SceneView goTo() methods.
ArcGIS Maps SDK for JavaScript
viewpoint Viewpoint
The Viewpoint, or point of view, to zoom to when
going home.
default null
ArcGIS Maps SDK for JavaScript
Properties
HomeViewModel.GoToOverride Property
This function provides the ability to override either the MapView goTo() or SceneView goTo() methods.
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Functions.GoToOverride? GoToOverride { get; set; }
Implements GoToOverride
Property Value
GoToOverride(GoToOverrideParameters)
HomeViewModel.HasGoListener Property
Used in JavaScript layer to determine if the event listener is registered.
public bool HasGoListener { get; }
Property Value
HomeViewModel.HasGoToOverride Property
A convenience property that signifies whether a custom GoToOverride function was registered.
public bool HasGoToOverride { get; }
Implements HasGoToOverride
Property Value
HomeViewModel.OnGo Property
Indicates whether there is an event listener on the instance that matches
the provided event name.
param type The name of the event.
ArcGIS Maps SDK for JavaScript
public Microsoft.AspNetCore.Components.EventCallback<dymaptic.GeoBlazor.Core.Events.HomeViewModelGoEvent> OnGo { get; set; }
Property Value
Microsoft.AspNetCore.Components.EventCallback<HomeViewModelGoEvent>
HomeViewModel.State Property
The current state of the widget.
default “disabled”
ArcGIS Maps SDK for JavaScript
public System.Nullable<dymaptic.GeoBlazor.Core.Enums.HomeViewModelState> State { get; set; }
Property Value
System.Nullable<HomeViewModelState>
HomeViewModel.Viewpoint Property
The Viewpoint, or point of view, to zoom to when
going home.
default null
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Components.Viewpoint? Viewpoint { get; set; }
Property Value
Methods
HomeViewModel.CancelGo() Method
This function provides the ability to interrupt and cancel the process
of navigating the view back to the view’s initial extent.
ArcGIS Maps SDK for JavaScript
public System.Threading.Tasks.Task CancelGo();
Returns
HomeViewModel.GetState() Method
Asynchronously retrieve the current value of the State property.
public System.Threading.Tasks.Task<System.Nullable<dymaptic.GeoBlazor.Core.Enums.HomeViewModelState>> GetState();
Returns
System.Threading.Tasks.Task<System.Nullable<HomeViewModelState>>
HomeViewModel.GetViewpoint() Method
Asynchronously retrieve the current value of the Viewpoint property.
public System.Threading.Tasks.Task<dymaptic.GeoBlazor.Core.Components.Viewpoint?> GetViewpoint();
Returns
System.Threading.Tasks.Task<Viewpoint>
HomeViewModel.Go() Method
Animates the view to the initial Viewpoint of the view or the
value of viewpoint.
ArcGIS Maps SDK for JavaScript
public System.Threading.Tasks.Task Go();
Returns
HomeViewModel.OnJsGo(IJSStreamReference) Method
JavaScript-Invokable Method for internal use only.
public System.Threading.Tasks.Task OnJsGo(Microsoft.JSInterop.IJSStreamReference jsStreamRef);
Parameters
jsStreamRef Microsoft.JSInterop.IJSStreamReference
Returns
HomeViewModel.OnJsGoToOverride(IJSStreamReference) Method
JS-invokable method that triggers the GoToOverride function.
Should not be called by consuming code.
public System.Threading.Tasks.Task OnJsGoToOverride(Microsoft.JSInterop.IJSStreamReference jsStreamRef);
Parameters
jsStreamRef Microsoft.JSInterop.IJSStreamReference
Implements OnJsGoToOverride(IJSStreamReference)
Returns
HomeViewModel.SetViewpoint(Viewpoint) Method
Asynchronously set the value of the Viewpoint property after render.
public System.Threading.Tasks.Task SetViewpoint(dymaptic.GeoBlazor.Core.Components.Viewpoint? value);
Parameters
value Viewpoint
The value to set.
Returns
HomeViewModel.ValidateRequiredGeneratedChildren() Method
Validates source-generated child components.
public override void ValidateRequiredGeneratedChildren();
Implements ValidateRequiredGeneratedChildren()