Button Button1;
        private void Form1_Load(object sender, EventArgs e) {
            //Buttonクラスのインスタンスを作成する
            this.Button1 = new System.Windows.Forms.Button();
 
            //Buttonコントロールのプロパティを設定する
            this.Button1.Name = "Button1";
            this.Button1.Text = "押してね";
            //サイズと位置を設定する
            this.Button1.Location = new Point(10, 10);
            this.Button1.Size = new System.Drawing.Size(80, 20);
 
            //フォームに追加する
            this.Controls.Add(this.Button1);
 
            EventHandler click = null;
            click = (btnSender, btnE) => {
                Button btn1 = (Button)btnSender;
                Button btn2 = new Button();
 
                btn2.Size = btn1.Size;
                btn2.Location = new Point(btn1.Location.X, btn1.Location.Y + btn1.Height);
                btn2.Click += new EventHandler(click);
                btn2.Parent = this;
            };
 
            this.Button1.Click += click;
        }
 

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