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

using System.Runtime.InteropServices; // 命名空間提供各種支援COM Interop 和平台叫用服務的成員
namespace WindowsApplication17
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        [DllImport("winmm.dll")]
        public static extern int mciSendString(string m_strCmd, string m_strReceive, int m_v1, int m_v2);
 
        [DllImport("Kernel32", CharSet = CharSet.Auto)]
        static extern Int32 GetShortPathName(String path, StringBuilder shortPath, Int32 shortPathLength);
        /// <summary>
        /// 使用mciSendString播放音樂
        /// </summary>
        /// <param name="name">檔案名稱</param>
        /// <param name="command">命令</param>
        private static void mciMusic(string name,string command)
        {
            StringBuilder shortpath = new StringBuilder()；
            int result = GetShortPathName(name, shortpath, shortpath.Capacity);
            name = shortpath.ToString();
            string buf = string.Empty;
            mciSendString(command + " " + name, buf, buf.Length, 0); //播放
        }
        private void btnPlay_Click(object sender, EventArgs e)
        {
            // 播放
            mciMusic(@"01.mp3", "play");
        }
        private void btnPause_Click(object sender, EventArgs e)
        {
            // 暫停
            mciMusic(@"01.mp3", "pause");
        }
        private void btnStop_Click(object sender, EventArgs e)
        {
            // 停止
            mciMusic(@"01.mp3", "stop");
        }
    }
}