การบ้านครั้งที่ 7

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 WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            Form2 page2 = new Form2();

            page2.Show();

        }

    }

}

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();