C# 后台播放MP3、wav文件

播放MP3

    public class Mp3Player
    {
        /// <summary>  
        /// 文件地址  
        /// </summary>  
        public string FilePath;

        /// <summary>  
        /// 播放  
        /// </summary>  
        public void Play()
        {
            mciSendString("close all", "", 0, 0);
            mciSendString("open " + FilePath + " alias media", "", 0, 0);
            mciSendString("play media", "", 0, 0);
        }

        /// <summary>  
        /// 暂停  
        /// </summary>  
        public void Pause()
        {
            mciSendString("pause media", "", 0, 0);
        }

        /// <summary>  
        /// 停止  
        /// </summary>  
        public void Stop()
        {
            mciSendString("close media", "", 0, 0);
        }

        /// <summary>  
        /// API函数  
        /// </summary>  
        [DllImport("winmm.dll", EntryPoint = "mciSendString", CharSet = CharSet.Auto)]
        private static extern int mciSendString(
            string lpstrCommand,
            string lpstrReturnString,
            int uReturnLength,
            int hwndCallback
        );
    }

播放WAV文件

使用C#自带的SoundPlayer

using System.Media;   
  
  
SoundPlayer sound = new SoundPlayer("声音.wav");   
sound.Play();