ｊｈｂｎ - プログラム倉庫

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
    {
        int xx;

        public Form1()
        {
            
            xx = 0;
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            xx = xx + 1;
            label1.Text = xx.ToString();


        }
    }
}