dymaptic.GeoBlazor.Core
dymaptic.GeoBlazor.Core.Components
BasemapGalleryViewModel Class
Provides the logic for the BasemapGallery widget and component.
ArcGIS Maps SDK for JavaScript
public class BasemapGalleryViewModel : dymaptic.GeoBlazor.Core.Components.MapComponent
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 MapComponent 🡒 BasemapGalleryViewModel
Constructors
BasemapGalleryViewModel() Constructor
Parameterless constructor for use as a Razor Component.
public BasemapGalleryViewModel();
BasemapGalleryViewModel(Basemap, IBasemapGalleryWidgetSource) Constructor
Constructor for use in C# code. Use named parameters (e.g., item1: value1, item2: value2) to set properties in any order.
public BasemapGalleryViewModel(dymaptic.GeoBlazor.Core.Components.Basemap? activeBasemap=null, dymaptic.GeoBlazor.Core.Interfaces.IBasemapGalleryWidgetSource? source=null);
Parameters
activeBasemap Basemap
The map’s basemap.
ArcGIS Maps SDK for JavaScript
source IBasemapGalleryWidgetSource
The source for basemaps that the Basemap Gallery will display.
ArcGIS Maps SDK for JavaScript
Properties
BasemapGalleryViewModel.ActiveBasemap Property
The map’s basemap.
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Components.Basemap? ActiveBasemap { get; set; }
Property Value
BasemapGalleryViewModel.ActiveBasemapIndex Property
The current index of the active basemap
in the BasemapGallery.
ArcGIS Maps SDK for JavaScript
public System.Nullable<int> ActiveBasemapIndex { get; set; }
Property Value
BasemapGalleryViewModel.Items Property
A collection of BasemapGalleryItems representing basemaps.
ArcGIS Maps SDK for JavaScript
public System.Collections.Generic.IReadOnlyList<dymaptic.GeoBlazor.Core.Components.BasemapGalleryItem>? Items { get; set; }
Property Value
System.Collections.Generic.IReadOnlyList<BasemapGalleryItem>
BasemapGalleryViewModel.Source Property
The source for basemaps that the Basemap Gallery will display.
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Interfaces.IBasemapGalleryWidgetSource? Source { get; set; }
Property Value
BasemapGalleryViewModel.State Property
The view model’s state.
default “disabled”
ArcGIS Maps SDK for JavaScript
public System.Nullable<dymaptic.GeoBlazor.Core.Enums.BasemapGalleryViewModelState> State { get; set; }
Property Value
System.Nullable<BasemapGalleryViewModelState>
Methods
BasemapGalleryViewModel.BasemapEquals(Basemap, Basemap) Method
A convenience function to check basemap equality.
param basemap2 The basemap to compare against basemap1.
ArcGIS Maps SDK for JavaScript
public System.Threading.Tasks.Task<System.Nullable<bool>> BasemapEquals(dymaptic.GeoBlazor.Core.Components.Basemap basemap1, dymaptic.GeoBlazor.Core.Components.Basemap basemap2);
Parameters
basemap1 Basemap
The basemap to compare against basemap2.
basemap2 Basemap
The basemap to compare against
basemap1
```.
#### Returns
[System.Threading.Tasks.Task<](https://docs.microsoft.com/en-us/dotnet/api/System.Threading.Tasks.Task-1 'System.Threading.Tasks.Task`1')[System.Nullable<](https://docs.microsoft.com/en-us/dotnet/api/System.Nullable-1 'System.Nullable`1')[System.Boolean](https://docs.microsoft.com/en-us/dotnet/api/System.Boolean 'System.Boolean')[>](https://docs.microsoft.com/en-us/dotnet/api/System.Nullable-1 'System.Nullable`1')[>](https://docs.microsoft.com/en-us/dotnet/api/System.Threading.Tasks.Task-1 'System.Threading.Tasks.Task`1')
<a name='dymaptic.GeoBlazor.Core.Components.BasemapGalleryViewModel.GetActiveBasemap()'></a>
## BasemapGalleryViewModel.GetActiveBasemap() Method
Asynchronously retrieve the current value of the ActiveBasemap property.
```csharp
public System.Threading.Tasks.Task<dymaptic.GeoBlazor.Core.Components.Basemap?> GetActiveBasemap();
Returns
System.Threading.Tasks.Task<Basemap>
BasemapGalleryViewModel.GetActiveBasemapIndex() Method
Asynchronously retrieve the current value of the ActiveBasemapIndex property.
public System.Threading.Tasks.Task<System.Nullable<int>> GetActiveBasemapIndex();
Returns
System.Threading.Tasks.Task<System.Nullable<System.Int32>>
BasemapGalleryViewModel.GetItems() Method
Asynchronously retrieve the current value of the Items property.
public System.Threading.Tasks.Task<System.Collections.Generic.IReadOnlyList<dymaptic.GeoBlazor.Core.Components.BasemapGalleryItem>?> GetItems();
Returns
System.Threading.Tasks.Task<System.Collections.Generic.IReadOnlyList<BasemapGalleryItem>>
BasemapGalleryViewModel.GetSource() Method
Asynchronously retrieve the current value of the Source property.
public System.Threading.Tasks.Task<dymaptic.GeoBlazor.Core.Interfaces.IBasemapGalleryWidgetSource?> GetSource();
Returns
System.Threading.Tasks.Task<IBasemapGalleryWidgetSource>
BasemapGalleryViewModel.GetState() Method
Asynchronously retrieve the current value of the State property.
public System.Threading.Tasks.Task<System.Nullable<dymaptic.GeoBlazor.Core.Enums.BasemapGalleryViewModelState>> GetState();
Returns
System.Threading.Tasks.Task<System.Nullable<BasemapGalleryViewModelState>>
BasemapGalleryViewModel.SetActiveBasemap(Basemap) Method
Asynchronously set the value of the ActiveBasemap property after render.
public System.Threading.Tasks.Task SetActiveBasemap(dymaptic.GeoBlazor.Core.Components.Basemap? value);
Parameters
value Basemap
The value to set.
Returns
BasemapGalleryViewModel.SetSource(IBasemapGalleryWidgetSource) Method
Asynchronously set the value of the Source property after render.
public System.Threading.Tasks.Task SetSource(dymaptic.GeoBlazor.Core.Interfaces.IBasemapGalleryWidgetSource? value);
Parameters
value IBasemapGalleryWidgetSource
The value to set.
Returns
BasemapGalleryViewModel.ValidateRequiredGeneratedChildren() Method
Validates source-generated child components.
public override void ValidateRequiredGeneratedChildren();
Implements ValidateRequiredGeneratedChildren()