dymaptic.GeoBlazor.Core
dymaptic.GeoBlazor.Core.Components.Widgets
BasemapGalleryWidget Class
The BasemapGallery widget displays a collection images representing basemaps from ArcGIS.com or a user-defined set
of map or image services. When a new basemap is selected from the BasemapGallery, the map’s basemap layers are
removed and replaced with the basemap layers of the associated basemap selected in the gallery.
ArcGIS
JS API
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public class BasemapGalleryWidget : dymaptic.GeoBlazor.Core.Components.Widgets.Widget
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 MapComponent 🡒 Widget 🡒 BasemapGalleryWidget
Properties
BasemapGalleryWidget.PortalBasemapsSource Property
The source for basemaps that the widget will display.
public dymaptic.GeoBlazor.Core.Components.PortalBasemapsSource? PortalBasemapsSource { get; set; }
Property Value
Remarks
Use either Title or PortalBasemapsSource to define the query.
BasemapGalleryWidget.Title Property
The title to query against the source.
public string? Title { get; set; }
Property Value
Remarks
Use either Title or PortalBasemapsSource to define the query.
BasemapGalleryWidget.WidgetType Property
The type of widget
public override string WidgetType { get; }
Property Value
Methods
BasemapGalleryWidget.RegisterChildComponent(MapComponent) Method
Called from dymaptic.GeoBlazor.Core.Components.MapComponent.OnAfterRenderAsync(System.Boolean) to “Register” the current component with it’s parent.
public override System.Threading.Tasks.Task RegisterChildComponent(dymaptic.GeoBlazor.Core.Components.MapComponent child);
Parameters
child MapComponent
The calling, child component to register
Returns
Exceptions
InvalidChildElementException
Throws if the current child is not a valid sub-component to the parent.
BasemapGalleryWidget.UnregisterChildComponent(MapComponent) Method
Undoes the “Registration” of a child with its parent.
public override System.Threading.Tasks.Task UnregisterChildComponent(dymaptic.GeoBlazor.Core.Components.MapComponent child);
Parameters
child MapComponent
The child to unregister
Returns
BasemapGalleryWidget.ValidateRequiredChildren() Method
When a MapView is prepared to render, this will check to make sure that all properties with the
RequiredPropertyAttribute are provided.
public override void ValidateRequiredChildren();
Exceptions
MissingRequiredChildElementException
The consumer needs to provide the missing child component
MissingRequiredOptionsChildElementException
The consumer needs to provide ONE of the options of child components