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C#変数と定数の宣言、カウント

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学習メモです。

using System.Windows.Forms;

namespace count
{
    public partial class Form1 : Form
    {
        //変数の宣言初期値は0
        private int _count = 0;

        //変わらない定数の値
        private const int AAA = 10;
        private const string Key = "SDFGHJJ";

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //button1_Clickイベントでカウント+1
            _count = _count + 1;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            //button1_Clickイベントで_countの数値を文字列で表示
            MessageBox.Show(_count.ToString());
        }
    }
}


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