c# 删除所有当前用户的cookies

   try
   {
    foreach (string strFileName in Directory.GetFiles(
     Environment.GetFolderPath(Environment.SpecialFolder.Cookies)))
    {
     if (strFileName.ToLower().IndexOf("index.dat")==-1)
     {
      File.Delete(strFileName);
     }
    }
   }
   catch(Exception ex)
   {

   }