void WebWithDefaultBrower()

         {

             string name = string.Empty;

             try

             {

                 string mainKey = @"http\shell\open\command";

                 RegistryKey regKey = Registry.ClassesRoot.OpenSubKey(mainKey);

                 name = regKey.GetValue("", @"C:\Program Files\Internet Explorer\IEXPLORE.EXE").ToString();

                 string[] tmps = name.Split('"');//这里偷个懒用Split

                 name = tmps[];

                 System.Diagnostics.Process.Start(name, "http://www.cnblogs.com/kongfl888");

             }

             catch

             {

                 MessageBox.Show("出错了，出错了！",this.Text.ToString ());

             }

         }