导入两个命名空间

using Microsoft.Win32;
using System.Text.RegularExpressions;

打开浏览器

System.Diagnostics.Process.Start("iexplore.exe", "http://www.datangintel/");

打开默认浏览器

             RegistryKey key = Registry.ClassesRoot.OpenSubKey(@"http\shell\open\command\");
             string s = key.GetValue("").ToString();
 
             Regex reg = new Regex("\"([^\"]+)\"");
             MatchCollection matchs = reg.Matches(s);
 
             string filename="";
             if (matchs.Count > 0)   //www.2cto
             {
                 filename = matchs[0].Groups[1].Value;
                 System.Diagnostics.Process.Start(filename, "http://www.datangintel/");
             }

导入两个命名空间

using Microsoft.Win32;
using System.Text.RegularExpressions;

打开浏览器

System.Diagnostics.Process.Start("iexplore.exe", "http://www.datangintel/");

打开默认浏览器

             RegistryKey key = Registry.ClassesRoot.OpenSubKey(@"http\shell\open\command\");
             string s = key.GetValue("").ToString();
 
             Regex reg = new Regex("\"([^\"]+)\"");
             MatchCollection matchs = reg.Matches(s);
 
             string filename="";
             if (matchs.Count > 0)   //www.2cto
             {
                 filename = matchs[0].Groups[1].Value;
                 System.Diagnostics.Process.Start(filename, "http://www.datangintel/");
             }