/*
 * Execute private methods:
 * Written by: Eber Irigoyen
 * http://ebersys.blogspot.com
 * on: 10/23/2006
 * License: LGPL
 * Description: Muestra un metodo para ejecutar metodos privados de una clase
 */
using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.Diagnostics;

namespace ExecutePrivateMethods {
    public class TestClass {
        public TestClass() {
        }
        private void HiddenMethod() {
            Console.WriteLine("secret method, should only be called from the containing class itself");
        }
        private string HiddenMethodWithParams(string firstName, int age) {
            return string.Format("hello {0}, you are {1} years old", firstName, age);
        }
        public static void Test() {
            }
    }
    class Program {
        static void Main(string[] args) {
        TestClass tc = new TestClass();
        Type testClaseType = typeof(TestClass);

        MethodInfo hiddenMethod = 
            testClaseType.GetMethod("HiddenMethod", 
                                    BindingFlags.NonPublic | BindingFlags.Instance);//,
                                    //null, new Type[0] { }, null);
        hiddenMethod.Invoke(tc, null);

        MethodInfo hiddenMethodWithParams =
            testClaseType.GetMethod("HiddenMethodWithParams",
                                    BindingFlags.NonPublic | BindingFlags.Instance,
                                    null, new Type[2] { typeof(string), typeof(int) }, null);
        string result = (string)hiddenMethodWithParams.Invoke(tc, new object[2] { "Eber", 25 });
        Console.WriteLine("result: "+ result);

        Console.Read();
        }
    }
}