Program.cs

using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Text;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Components.WebAssembly.Authentication;
using omnia_blazor_demo.Shared;
using Radzen;

namespace omnia_blazor_demo
{
    public class Program
    {
        public static async Task Main(string[] args)
        {
            var builder = WebAssemblyHostBuilder.CreateDefault(args);
            builder.RootComponents.Add<App>("#app");

            string apiBaseURI = builder.Configuration["ApiBaseURI"];

            builder.Services.AddOidcAuthentication(options =>
            {
                // Configure your authentication provider options here.
                // For more information, see https://aka.ms/blazor-standalone-auth
                builder.Configuration.Bind("Local", options.ProviderOptions);
                options.ProviderOptions.DefaultScopes.Remove("profile");
                options.ProviderOptions.DefaultScopes.Add("email");
                options.ProviderOptions.DefaultScopes.Add("api");
            });

            builder.Services.AddHttpClient<OmniaClient>(client => client.BaseAddress = new Uri(apiBaseURI))
                .AddHttpMessageHandler(sp => sp.GetRequiredService<AuthorizationMessageHandler>()
                .ConfigureHandler(authorizedUrls: new[] { apiBaseURI }));


            builder.Services.AddScoped<DialogService>();
            builder.Services.AddScoped<NotificationService>();
            builder.Services.AddScoped<TooltipService>();
            builder.Services.AddScoped<ContextMenuService>();
            builder.Services.AddScoped<ProgressBarService>();
            builder.Services.AddScoped<OmniaNotification>();

            await builder.Build().RunAsync();
        }
    }
}