1using System;
 2using System.Collections.Generic;
 3using System.Text;
 4 
 5namespace Example25Lib
 6{
 7    public class Class1
 8    {
 9        private string name;
10        private int age;
11 
12        //如果显式的声明了无参数构造函数，客户端只需要用程序集的CreateInstance即可实例化该类
13        //在此特意不实现，以便在客户调用端体现构造函数的反射实现
14        //public Class1()
15        //{
16        //}
17        public Class1(string Name, int Age)
18        {
19            name = Name;
20            age = Age;
21        }
22        public void ChangeName(string NewName)
23        {
24            name = NewName;
25        }
26        public void ChangeAge(int NewAge)
27        {
28            age = NewAge;
29        }
30        public override string ToString()
31        {
32            return string.Format("Name: {0}, Age: {1}", name, age);
33        }
34    }
35}

 1using System;
 2using System.Collections.Generic;
 3using System.Text;
 4 
 5//注意添加该反射的命名空间
 6using System.Reflection;
 7 
 8namespace Example25
 9{
10    class Program
11    {
12        static void Main(string[] args)
13        {
14            //加载程序集
15            Assembly tmpAss = Assembly.LoadFile(AppDomain.CurrentDomain.BaseDirectory + "Example25Lib.dll");
16 
17            //遍历程序集内所有的类型，并实例化
18            Type[] tmpTypes = tmpAss.GetTypes();
19            foreach (Type tmpType in tmpTypes)
20            {
21                //获取第一个类型的构造函数信息
22                ConstructorInfo[] tmpConsInfos = tmpType.GetConstructors();
23                foreach (ConstructorInfo tmpConsInfo in tmpConsInfos)
24                {
25                    //为构造函数生成调用的参数集合
26                    ParameterInfo[] tmpParamInfos = tmpConsInfo.GetParameters(); 
27                    object[] tmpParams = new object[tmpParamInfos.Length];
28                    for (int i = 0; i < tmpParamInfos.Length; i++)
29                    {
30                        tmpParams[i] = tmpAss.CreateInstance(tmpParamInfos[i].ParameterType.FullName);
31                        if (tmpParamInfos[i].ParameterType.FullName == "System.String")
32                        {
33                            tmpParams[i] = "Clark";
34                        }
35                    }
36 
37                    //实例化对象
38                    object tmpObj = tmpConsInfo.Invoke(tmpParams);
39                    Console.WriteLine(tmpObj);
40 
41                    //获取所有方法并执行
42                    foreach (MethodInfo tmpMethod in tmpType.GetMethods())
43                    {
44                        //为方法的调用创建参数集合
45                        tmpParamInfos = tmpMethod.GetParameters();
46                        tmpParams = new object[tmpParamInfos.Length];
47                        for (int i = 0; i < tmpParamInfos.Length; i++)
48                        {
49                            tmpParams[i] = tmpAss.CreateInstance(tmpParamInfos[i].ParameterType.FullName);
50                            if (tmpParamInfos[i].ParameterType.FullName == "System.String")
51                            {
52                                tmpParams[i] = "Clark Zheng";
53                            }
54                            if (tmpParamInfos[i].ParameterType.FullName == "System.Int32")
55                            {
56                                tmpParams[i] = 27;
57                            }
58                        }
59                        tmpMethod.Invoke(tmpObj, tmpParams);
60                    }
61 
62                    //调用完方法后再次打印对象，比较结果
63                    Console.WriteLine(tmpObj);
64                }
65            }
66 
67            Console.ReadLine();
68        }
69    }
70}