怎么获取当前浏览器地址

如何获取当前浏览器地址
如何获取当前激活的浏览器地址栏的网址？谢谢！

[解决办法]

C# code

using System;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;namespace WindowsApplication13{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        [DllImport("user32.dll")]        private static extern int FindWindow(string lpClassName, string lpWindowName);         [DllImport("user32.dll", SetLastError = true)]        private static extern int FindWindowEx(int parentHandle, int childAfter, string className, string windowTitle);         [DllImport("user32.dll", EntryPoint = "SendMessage")]        private static extern int SendMessage(int hWnd, uint Msg, int wParam, StringBuilder sb);        [DllImport("user32.dll")]         private static extern int GetForegroundWindow();        private const int WM_GETTEXT = 0x000D;        private void button1_Click(object sender, EventArgs e)         {             int hwnd;           // hwnd = GetForegroundWindow();            hwnd = FindWindow("IEFrame", null);            hwnd = FindWindowEx(hwnd, 0, "WorkerW", null);            StringBuilder sb = new StringBuilder(256);            hwnd = FindWindowEx(hwnd, 0, "ReBarWindow32", null);            hwnd = FindWindowEx(hwnd, 0, "ComboBoxEx32", null);            hwnd = FindWindowEx(hwnd, 0, "ComboBox", null);            hwnd = FindWindowEx(hwnd, 0, "Edit", null);            if (hwnd != 0)            {                SendMessage(hwnd, WM_GETTEXT, sb.Capacity, sb);                MessageBox.Show(sb.ToString());            }        }     }}