MP3播放範例
本例是一個播放mp3的範例，播放mp3的方法是使用寫好的類別clsMCI.cs
程式碼前往觀看clsMCI.cs程式碼
程式碼太長這邊貼不下
Form1_KeyPress事件程式碼，意思是按esc關閉程式，按數字鍵1 觸發button1_click事件，按數字鍵2 觸發button2_click事件
Form1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.Windows.Forms;
using System.IO;
namespace ex23
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        } 
        private void button1_Click(object sender, EventArgs e)
        {
            clsMCI cm = new clsMCI();
            cm.FileName = "a.mp3";
            cm.play();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            clsMCI cm = new clsMCI();
            cm.FileName = "b.mp3";
            cm.play();
        }
        private void Form1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Escape)
            {
                Application.Exit();
            }
            else
            {
                if (e.KeyChar == 49)//數字鍵1
                {
                    button1_Click(this, null);
                }
                else if (e.KeyChar == 50)//數字鍵2
                {
                    button2_Click(this, null);
                }
            }
        }
    }
}

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