LayerRemove.razor

@page "/Layers/LayerRemove"
@rendermode InteractiveServer

@using AzureMapsControl.Components.Map
<AzureMap Id="map"
          CameraOptions="new CameraOptions { Center = new AzureMapsControl.Components.Atlas.Position(-99.47, 40.75), Zoom = 4 } "
          EventActivationFlags="MapEventActivationFlags
                                .None()
                                .Enable(MapEventType.Ready)"
          OnReady="OnMapReady" />

@code  {
    public async Task OnMapReady(MapEventArgs events)
    {
        var dummyDataSourceId = "_empty";
        var dummyDataSource = new AzureMapsControl.Components.Data.DataSource(dummyDataSourceId);
        await events.Map.AddSourceAsync(dummyDataSource);
        
        var layer = new AzureMapsControl.Components.Layers.TileLayer
        {
            Options = new AzureMapsControl.Components.Layers.TileLayerOptions("https://mesonet.agron.iastate.edu/cache/tile.py/1.0.0/nexrad-n0q-900913/{z}/{x}/{y}.png"),
            EventActivationFlags = AzureMapsControl.Components.Layers.LayerEventActivationFlags.None().Enable(AzureMapsControl.Components.Layers.LayerEventType.LayerAdded, AzureMapsControl.Components.Layers.LayerEventType.LayerRemoved)
        };

        layer.OnLayerAdded += e =>
        {
            Console.WriteLine("Layer added");
        };

        layer.OnLayerRemoved += e =>
        {
            Console.WriteLine("Layer removed");
        };

        await events.Map.AddLayerAsync(layer);

        System.Threading.Thread.Sleep(10000);

        await events.Map.RemoveLayersAsync(layer);
    }
}