框架:

程式碼:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Media;//新增音樂時名稱空間
namespace _02鬧鐘
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            textBox2.Text = DateTime.Now.ToString();//頁面載入時獲取當前時間
        }
        bool b = false;//這個變數記錄時間是否到了
        private void timer1_Tick(object sender, EventArgs e)
        {
            textBox2.Text = DateTime.Now.ToString();//timer每一秒執行一次更新一次值
            if (b==false)//證明時間沒到,進行一次時間判斷,時間到了就不要進行判斷
            {
                if (h==DateTime.Now.Hour)
                {
                    if (m==DateTime.Now.Minute)
                    {
                        b = true;//證明時間剛好到了
                        SoundPlayer sound = new SoundPlayer();
                        sound.SoundLocation = "../../shengpizi.wav";
                        sound.Play();
                    }
                }
            }
        }
        int h, m;
        private void button1_Click(object sender, EventArgs e)
        {
            b = false;
            //獲取設定的鬧鐘時間的小時數和分鐘數
            h = int.Parse(textBox4.Text);
            m = int.Parse(textBox5.Text);
        }
    }
}