Foreach On IEnumerable

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;

namespace ForeachOnIEnumerable
{
    class Program
    {
      
        static void Main(string[] args)
        {
            var employees = new Employees();
            foreach (Employee employee in employees)
            {
               Console.WriteLine("Employee Id:- "+employee.Employee_Id.ToString()
                                  +"\t\t"
                                  +"Employee Name:- "+employee.Employee_Name);
           
            }

            Console.ReadLine();
        }
    }

    public class Employee
    {
        private int employee_Id;
        private string employee_Name;

        public Employee(int employee_Id, string employee_Name)
        {
            this.employee_Id = employee_Id;
            this.employee_Name = employee_Name;
        }

        public int Employee_Id { get { 
                                        return employee_Id; 
                                     }
                                 set {
                                       employee_Id=value; 
                                     } 
                                }

        public string Employee_Name {
                                        get {
                                              return employee_Name; 
                                            } 
                                        set { 
                                             employee_Name=value; 
                                            } 
                                    }
    }

    public class Employees : IEnumerable,IEnumerator
    {
        public Employee[] employeeList;
        int position = -1;

        public Employees()
        {
            employeeList = new Employee[4]{
                        new Employee(1,"Amey"),
                        new Employee(2,"Pushkar"),
                        new Employee(3,"Raju"),
                        new Employee(5,"Vijay")
            };
        }


        public object Current
        {
            get
            {
                try
                {
                    return employeeList[position];
                }
                catch (IndexOutOfRangeException)
                {
                    throw new InvalidOperationException();
                }
            }
        }

        public bool MoveNext()
        {
            position++;
            return (position < employeeList.Length);
        }

        public void Reset()
        {
            position = 0;
        }

        public IEnumerator GetEnumerator()
        {
            return (IEnumerator)this;
        }
    }


}