C # call system Winmm.dll play music wav mp3

usingSystem.Runtime.InteropServices;//put WAV Public Partial classFrmmain:form {System play music wav MP3 [DllImport ("Winmm.dll")]     Public Static extern BOOLPlaySound (stringPszsound,intHmod,intFdwsound);//play Windows music, Reload      PublicFrmmain () {InitializeComponent (); }        //enter the system to play music        Private voidM_systemplaywav (stringstrplayfile) {            Try            {                if(Strplayfile.trim () = ="")                { return; }//to be left empty                stringstrpath =AppDomain.CurrentDomain.SetupInformation.ApplicationBase; strpath= strpath +Strplayfile; intSnd_filename =0x00020000; intSnd_async =0x0001; PlaySound (strpath,0, Snd_async | Snd_filename);//Play Music            }            Catch(Exception ex) {//myclass.clsloghelper.m_createerrorlogtxt ("M_systemplaywav win system to put WAV files", Strplayfile, ex.            Message.tostring ()); }        }        Private voidm_systemstopplaywav () {Try{PlaySound (NULL,0,0x40|0x04|0x02); }            Catch(Exception ex) {//myclass.clsloghelper.m_createerrorlogtxt ("M_systemstopplaywav win stop to put WAV files","", ex.            Message.tostring ()); }        }}

C # call system Winmm.dll play music wav mp3