using System;

public class BaseClass

{

    public string Name;

}

​

public class DerivedClass1 : BaseClass

{

    public DerivedClass1()

    {

        Name = "DerivedClass1";

    }

    public void NonOverridenMethod()

    {

        Console.WriteLine("Method called!");

    }

}

​

​

public class DerivedClass2 : BaseClass

{

    public DerivedClass2()

    {

        Name = "DerivedClass2";

    }

}

​

​

​

​

public class Program

{

    public static void CallMethod(BaseClass c, string methodName)

    {

        var mi = c.GetType().GetMethod(methodName);

        if(mi != null)

        {

            Console.WriteLine("{0} has method {1}, calling it:", c.Name, methodName);

            mi.Invoke(c, null);

        } else {

            Console.WriteLine("{0} doesn't have method {1}!", c.Name, methodName);

        }

    }

    public static void Main()

    {

        var a = new DerivedClass1();

        var b = new DerivedClass2();

        CallMethod(a, "NonOverridenMethod");

        CallMethod(b, "NonOverridenMethod");

    }

}