ذخیره URL مرورگر

[cloner11]

این کل کدهای من هست:

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 NDde.Client;





namespace WindowsFormsApplication41

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }





        private string GetBrowserURL(string browser)

        {

            try

            {

                DdeClient dde = new DdeClient(browser, "WWW_GetWindowInfo");

                dde.Connect();

                string url = dde.Request("URL", int.MaxValue);

                string[] text = url.Split(new string[] { "\",\"" }, StringSplitOptions.RemoveEmptyEntries);

                dde.Disconnect();

                return text[0].Substring(1);

            }

            catch

            {

                return null;

            }

        }





        private void ShowURL()

        {

            int j = 0;

            for (int i = 0; i < listBox1.Items.Count; i++)

            {

                if (listBox1.Items[i].ToString() == GetBrowserURL("Firefox"))

                {

                    break;

                }

                else

                {

                    j++;

                }

            }

            if (j == listBox1.Items.Count)

            {

                listBox1.Items.Add(GetBrowserURL("Firefox"));

            }

        }

        }

    }