如何在基于C＃的铬嵌入式winForm应用程序中设置代理，并使用用户名和密码进行代理？

Question

如何在基于铬的winForm应用程序C＃中设置代理，并使用用户名和密码进行代理？我使用此代码，但不起作用。本质上，我的问题是如何解决它？！

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using CefSharp.WinForms;
using CefSharp;

using System.Diagnostics;

namespace WindowsFormsApplication1

{
    public partial class Form1 : Form
    {
        public Form1()
        {
            Configure();
            InitializeComponent();
            CreateNewBrowser();

        }
public ChromiumWebBrowser browser;

        public void Configure()
        {
        CefSettings cfsettings = new CefSettings();
        cfsettings.CefCommandLineArgs.Add("proxy-server", 
        "socks5://49.140.252.96:1080");
        cfsettings.UserAgent = "My/Custom/User-Agent-AndStuff";
        Cef.Initialize(cfsettings);
        }
        public void CreateNewBrowser()
        {
        browser = new ChromiumWebBrowser("https://whatismyipaddress.com/");
        this.Controls.Add(browser);
        browser.Dock = DockStyle.Fill;
        }

    }
    }