using System;

using System.Collections.Generic;

using System.Reflection;

public class Program

{

    public static void Main()

    {

        Schedule s = new Schedule();

        Type t = Type.GetType("Lecture");

        object obj = Activator.CreateInstance(t);

        obj.GetType().GetProperty("Name").SetValue(obj, "Math");

        obj.GetType().GetProperty("Credit").SetValue(obj, 1);

        PropertyInfo pi = s.GetType().GetProperty("LectureList");

        // gets metadata of List<Lecture>.Add method

        var addMethod = pi.PropertyType.GetMethod("Add");

        // retrieves current LectureList value to call Add method

        var lectureList = pi.GetValue(s);

        // calls s.LectureList.Add(obj);

        addMethod.Invoke(lectureList, new object[] { obj });

        Console.WriteLine(s.LectureList.Count);

    }

}

​

public class Schedule

{

    public Schedule() { Name = ""; StartDate = DateTime.MinValue; LectureList = new List<Lecture>(); }

    public string Name { get; set; }

    public DateTime StartDate { get; set; }

    public List<Lecture> LectureList { get; set; }

}

​

public class Lecture

{

    public string Name { get; set; }

    public int Credit { get; set; }

}