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    /// <summary>



    ///依导航路径调用对象成员方法,或返回对象其子、孙属性或字段成员.



///例子:



///获得表的第二列的名称



///GetMember(dataTable1.GetType(),"Columns.Item.Name",dataTable1,1)     



///执行表的Select方法,并返回可能的DataRow数组



///GetMember(dataTable1.GetType(),"Select",dataTable1,"客户编号 = 'C0001')



///取活动表单的名称,静态成员不需传入obj



///GetMember(typeof("System.Windows.Forms.Form"),"ActiveForm.Name",null,null)



    /// </summary>



    /// <param name="type">获得此类型的子孙成员</param>



    /// <param name="memberPath">子孙成员的路径描述,以点作为分隔符</param>



    /// <param name="obj">如果成员是静态类型,则为null</param>



    /// <param name="args">参数,注意此参数只能为memberPath最后一个成员使用</param>



    /// <returns></returns>



    public static object GetMember(Type type,string memberPath,object obj,object[] args)



    {



      if (memberPath==null || memberPath.Trim ()=="")



        throw new ArgumentException ("缺少必需的参数","memberPath");



      if (type==null )



        throw new ArgumentException ("缺少必需的参数","type");




 


      Type _objectType=type;



      object _object=obj;




 


      object[] paras=null;



      string[] strMember=memberPath.Split ('.');



      for (int i=0; i<strMember.Length  ;i++)



      {



        string MemberName=strMember[i];



        if (i>=strMember.Length-1 )



          paras=args;



          



        _object = _objectType.InvokeMember(MemberName,



          BindingFlags.Public | BindingFlags.NonPublic |



          BindingFlags.Instance | BindingFlags.Static |<BR>


          BindingFlags.GetField |  BindingFlags.GetProperty |



          BindingFlags.InvokeMethod | BindingFlags.IgnoreCase ,



          Type.DefaultBinder,  _object, paras);




 


        if (_object!=null)



          _objectType=_object.GetType ();



        else if (i<strMember.Length-1)



          throw new ArgumentNullException(MemberName);



      }



      return _object;



    }