using System.Runtime.InteropServices;//放wav

public partial class frmMain : Form

 {

    系统放 播放音乐  wav mp3

    [DllImport("winmm.dll")]

    public static extern bool PlaySound(string pszSound, int hmod, int fdwSound);//播放windows音乐，重载

     public frmMain()

     {

            InitializeComponent();

      }

        //进入 系统播放音乐

        private void m_SystemPlayWav(string strPlayFile)

        {

            try

            {

                if (strPlayFile.Trim() == "")

                { return; }//为空不放

                string strPath = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;

                strPath = strPath + strPlayFile;

                int SND_FILENAME = 0x00020000;

                int SND_ASYNC = 0x0001;

                PlaySound(strPath, , SND_ASYNC | SND_FILENAME);//播放音乐

            }

            catch (Exception ex)

            {

                //myClass.clsLogHelper.m_CreateErrorLogTxt("m_SystemPlayWav win系统放wav文件", strPlayFile, ex.Message.ToString());

            }

        }

        private void m_SystemStopPlayWav()

        {

            try

            {

                PlaySound(null, , 0x40 | 0x04 | 0x02);

            }

            catch (Exception ex)

            {

                //myClass.clsLogHelper.m_CreateErrorLogTxt("m_SystemStopPlayWav win停止放wav文件", "", ex.Message.ToString());

            }

        }

}