Form Con Parametro Extra

Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace ParametroExtra
{
    public partial class frmAbrir : Form
    {
        public frmAbrir()
        {
            InitializeComponent();
        }

        private void btnAbrir_Click(object sender, EventArgs e)
        {
            var form = (Form2)Activator.CreateInstance(typeof(Form2), "Cadena Simple", 2343242);
            form.Show();
        }

        private void frmAbrir_Load(object sender, EventArgs e)
        {
            
        }
    }
}

Form2.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace ParametroExtra
{
    public partial class Form2 : Form
    {
        public string Cadena { get; set; }
        public int Entero { get; set; }
        public Form2(string cadena, int entero)
        {
            Cadena = cadena;
            Entero = entero;
            InitializeComponent();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            lblCadena.Text = Cadena;
            lblEntero.Text = Entero.ToString();
        }
    }
}