using System;

namespace GsApprovalDllSpace

{    

    public class GsApprovalDll    

    {        

         public bool submit(string[] strValue)        

         {    

            return true;    

         }

    }

}

try            

            {                

                string dllPath = Application.StartupPath+"\\xxx.dll";                

                //声明一个反射类对象                

                System.Reflection.Assembly a = System.Reflection.Assembly.LoadFile(dllPath);                

                //定义一个"类型信息"的对象.                

                Type t = a.GetType("GsApprovalDllSpace.GsApprovalDll");                

                //定义一个成员信息类对象数组,并从程序集中获取.                

                MethodInfo method1 = t.GetMethod("submit");                

                object obj = a.CreateInstance("GsApprovalDllSpace.GsApprovalDll");                

                string[] parts = new string[2];                

                parts[0] = "bbb";                

                parts[1] = "aaa";                

                bool b = (bool)method1.Invoke(obj, new objec