WPF allows you to build modern desktop applications for Windows, and part of building an application is debugging code and optimizing performance. In Alessandro Del Sole’s WPF Debugging and Performance Succinctly, you will learn how to debug a WPF application by leveraging all the powerful tools in Visual Studio, including the most recent additions that allow you to investigate the behavior of the UI at runtime. Also, you will learn how to analyze and improve an application’s performance in order to provide your customers with the best possible experience and thereby make them happy.

public class TokenFactoryService
{
    private readonly JwtBearerOptions _jwtBearerOptions;

    public TokenFactoryService(IOptionsSnapshot<JwtBearerOptions> jwtBearerOptions)
    {
        if (jwtBearerOptions == null)
        {
            throw new ArgumentNullException(nameof(jwtBearerOptions));
        }

        _jwtBearerOptions = jwtBearerOptions.Value ?? throw new ArgumentNullException(nameof(jwtBearerOptions));
    }

    // From: https://github.com/dotnet/aspnetcore/blob/a450cb69b5e4549f5515cdb057a68771f56cefd7/src/Security/Authentication/JwtBearer/src/JwtBearerHandler.cs
    public bool ValidateJwt(string token)
    {
        foreach (var validator in _jwtBearerOptions.SecurityTokenValidators)
        {
            try
            {
                if (validator.CanReadToken(token))
                {
                    validator.ValidateToken(token, _jwtBearerOptions.TokenValidationParameters, out _);
                }
            }
            catch
            {
                return false;
            }
        }

        return true;
    }
}

import { HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http';

@Injectable()
class JWTInterceptor implements HttpInterceptor {
    constructor(private userService: UserService) {}

    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
          const JWT = `Bearer ${this.userService.getToken()}`;
          req = req.clone({
                     setHeaders: {
                        Authorization: JWT
                     }
                });
          return next.handle(req);
    }
}