程序代码：

using System;
using System.Windows.Forms;

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

            var but = new Button { Text = "ButtonText"/*其它属性如位置大小等*/ };
            Controls.Add(but);
            but.Click += but_Click;
        }

        static void but_Click(object sender, EventArgs e)
        {
            ((Button) sender).Visible = false;
        }
    }
}