C# implement late binding via type in runtime

static void RuntimeGetTypeLateBinding()
{
    object s = "Hello";
    PropertyInfo pi = s.GetType().GetProperty("Length");
    Console.WriteLine((int)pi.GetValue(s, null));
}

Dynamically call method GetMethod() via  reflection and late binding in runtime

static void MethodParametersDemo()
{
    Type type = typeof(string);
    Type[] paraTypes = { typeof(int) };
    MethodInfo mi=type.GetMethod ("Substring",paraTypes);
    Object[] arguments = { 2 };
    object returnValue = mi.Invoke("Meditation", arguments);
    Console.WriteLine(returnValue);
}