C#的简单应

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace TestForm
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void OkButton_Click(object sender, EventArgs e)
        {
            // Close();
            // MessageBox.Show("你点击了一个按钮");
            if (OkButton.Text == "播放")
                OkButton.Text = "暂停";
            else
                OkButton.Text = "播放";

            if (TextLabel.Text == "我已经醒来了")
                TextLabel.Text = "睡着了";
            else
                TextLabel.Text = "我已经醒来了";

            if (TextLabel.ForeColor == Color.Red)
                TextLabel.ForeColor = Color.Green;
            else
                TextLabel.ForeColor = Color.Red;
        }
    }
}