C# button

一个 Button 键的功能是实现另外一个 Button 键的功能：

        private void button1_Click(object sender, EventArgs e)
        {
            listBox1.Items.Add(textBox1.Text);
            textBox1.Text = "";
        }

        private void button2_Click(object sender, EventArgs e)
        {
            button1_Click(sender, e);                          //实现 button1_Click 键的功能
        }