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;
using System.Diagnostics;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            ProcessStartInfo processStartInfo1 = new ProcessStartInfo();

            // 起動するアプリケーションを設定する
            processStartInfo1.FileName = "Notepad";
            processStartInfo1.WindowStyle = ProcessWindowStyle.Hidden;
            Process.Start(processStartInfo1);
        }
    }
}