เปิด-ปิดฟอมร์

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
{

{

{
InitializeComponent();
}

{
Form2 page2 =
page2.Show();
}
}
} WindowsFormsApplication1public partial class Form1 : Formpublic Form1()private void button1_Click(object sender, EventArgs e)new Form2();