/*
使用注册表监视工具发现 \SOFTWARE\Clients\StartMenuInternet\ 记录了默认浏览器名字
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\默认浏览器名字\shell\open\command] 记录了物理路径
*/
1 /// <summary>
2 /// 获取默认浏览器的路径
3 /// </summary>
4 /// <returns></returns>
5 public String GetDefaultWebBrowserFilePath()
6 {
7 string _BrowserKey1 = @"Software\Clients\StartmenuInternet\";
8 string _BrowserKey2 = @"\shell\open\command";
9
10 RegistryKey _RegistryKey = Registry.CurrentUser.OpenSubKey(_BrowserKey1, false);
11 if (_RegistryKey == null)
12 _RegistryKey = Registry.LocalMachine.OpenSubKey(_BrowserKey1, false);
13 String _Result = _RegistryKey.GetValue("").ToString();
14 _RegistryKey.Close();
15
16 _RegistryKey = Registry.LocalMachine.OpenSubKey(_BrowserKey1 + _Result + _BrowserKey2);
17 _Result = _RegistryKey.GetValue("").ToString();
18 _RegistryKey.Close();
19
20 if (_Result.Contains("\""))
21 {
22 _Result = _Result.TrimStart('"');
23 _Result = _Result.Substring(0, _Result.IndexOf('"'));
24 }
25 return _Result;
26 }
27
28 /// <summary>
29 /// 获取当前默认浏览器的完整地址
30 /// </summary>
31 /// <param name="sender"></param>
32 /// <param name="e"></param>
33 private void btn_BrowserPath_Click(object sender, EventArgs e)
34 {
35 string BrowserPath = GetDefaultWebBrowserFilePath();
36 txt_BrowserPath.Text = BrowserPath;
37 }
38
39 /// <summary>
40 /// 使用默认的浏览器打开指定的url地址
41 /// </summary>
42 /// <param name="sender"></param>
43 /// <param name="e"></param>
44 private void btn_gotoUrl_Click(object sender, EventArgs e)
45 {
46 string BrowserPath = GetDefaultWebBrowserFilePath();
47 string gotoUrl = txt_url.Text;
48 if (!gotoUrl.StartsWith("http://"))
49 {
50 gotoUrl = "http://" + gotoUrl;
51 }
52 //如果输入的url地址为空，则清空url地址，浏览器默认跳转到默认页面
53 if (gotoUrl=="http://")
54 {
55 gotoUrl = "";
56 }
57 System.Diagnostics.Process.Start(BrowserPath, gotoUrl);
58 }