C# 禁止改變視窗大小

private void button1_Click(object sender, EventArgs e)
        {
            this.MaximizeBox = false; //關閉最大化按鈕
            this.FormBorderStyle = FormBorderStyle.FixedDialog; //設定視窗的邊框樣式,FixedDialog就是不能改大小的視窗
        }