工作闲时：做一个小功能，就是用C#语法创建一个虚拟目录，从网上搜搜都是，但是呢如果机器的.net framework的版本很多，需要设置框架的版本改如何写呢?

       public static string VirDirSchemaName = "IIsWebVirtualDir";
      

        public string CreateVirtualDirectory(string nameDirectory, string realPath, string defaultPage)

        {

            string _serverName = "localhost";

            DirectoryEntry _iisServer = new DirectoryEntry("IIS://" + _serverName + "/W3SVC/1");

            DirectoryEntry folderRoot = _iisServer.Children.Find("ROOT", VirDirSchemaName);

            if (folderRoot == null)

                return "IIS 未正常安装";

            if (folderRoot.Children == null)

                return "IIS 可能未启动";

            DirectoryEntry existPath = null;

            try

            {

                existPath = folderRoot.Children.Find(nameDirectory, VirDirSchemaName);

            }

            catch (Exception e)

            {}

            if (existPath != null)

            {

                StringBuilder sb;

                sb = new StringBuilder();

                System.DirectoryServices.PropertyCollection props = existPath.Properties;

                foreach (System.DirectoryServices.PropertyValueCollection valcol in existPath.Properties)

                {

                    sb.Append(valcol.PropertyName);

                    sb.Append ( ":" );

                    sb.Append ( valcol.Value.ToString());

                    sb.Append ("\r");

                }

                string f = sb.ToString();

            }

            DirectoryEntry newVirDir = null;

            try

            {

                newVirDir = folderRoot.Children.Add(nameDirectory, folderRoot.SchemaClassName);

            }

            catch (Exception e)

            {

                return "Sorry!Error when adding the virtual path. Return message is : " + e.Message;

            }

            try

            {

                newVirDir.Properties["Path"].Insert(0, realPath);       // 虚拟目录的绝对路径

                newVirDir.Properties["AuthFlags"][0] = 5; //1:anonymouse, 4:windows

                newVirDir.Properties["AccessExecute"][0] = false;       // 可执行文件。执行权限下拉菜单中

                newVirDir.Properties["AccessRead"][0] = true;           // 读取

                newVirDir.Properties["AccessWrite"][0] = false;          // 写入

                newVirDir.Properties["AccessScript"][0] = true;         // 可执行脚本。执行权限下拉菜单中

                newVirDir.Properties["ContentIndexed"][0] = true;       // 资源索引

                newVirDir.Properties["DefaultDoc"][0] = defaultPage; // DefaultPage;    // 默认页面

                newVirDir.Properties["AppFriendlyName"][0] = "友好的目录名称";   // 友好的显示名称

                newVirDir.Properties["AppIsolated"][0] = 2;             // 值0 表示应用程序在进程内运行，值1 表示进程外，值2 表示进程池

                newVirDir.Properties["DontLog"][0] = true;

                newVirDir.Properties["ScriptMaps"].Value = ScriptArray().ToArray();

                newVirDir.Invoke("AppCreate", true); //q确保创建成功

                newVirDir.CommitChanges();

                folderRoot.CommitChanges();

                _iisServer.CommitChanges();

                return "Add success";

            }

            catch (Exception e)

            {

                return "Error  message is : " + e.Message;

}

           return "-----------";

}

public ArrayList ScriptArray()
     {    
         ArrayList list = new ArrayList();
        string[] array={".ascx",".asmx",".aspx",".config"};
        for (int i = 0; i < array.Length; i++)
               {
                        list.Add(array[i] + @",c:\windows\microsoft.net\framework\v2.0.50727\aspnet_isapi.dll,5,GET,HEAD,POST,DEBUG");
               }
         return list;
   }

            将Asp.net框架的版本设为2.0，其实在虚拟目录属性添加一个属性即可，newVirDir.Properties["ScriptMaps"].Value = ScriptArray().ToArray();

           newVirDir.Properties["ScriptMaps"].Value  是将获得一个object的数组。

          做的时候，跟本不知道虚拟目录到底有哪些属性，可是项目经理提示一下，就犹醍醐灌顶，他说创建一个目录，然后读取。有时候解决问题原来可以这样。

        希望给大家带来点收获。