C# 获取type对象

using System;

using System.Reflection;namespace HelloWorld{    class BaseClass    {        public int BaseField = 0;    }    class DerivedClass : BaseClass    {        public int DerivedField = 0;    }    class Program    {        static void Main()        {            var bc = new BaseClass();            var dc = new DerivedClass();            BaseClass[] bca = new BaseClass[] { bc,dc};            foreach (var v in bca)            {                Type t = v.GetType();                Console.WriteLine("Object type: {0}",t.Name);                FieldInfo[] fi = t.GetFields();                foreach (var f in fi)                    Console.WriteLine("      Field: {0}",f.Name);                Console.WriteLine();            }           }    }}