function PlayWavFile(const FileName: string): Boolean;
begin
Result := PlaySound(PChar(FileName), 0, SND_ASYNC);
end;
// O anda sistem tarafindan calinan sesi durdurur
procedure StopWav;
var buffer: array[0..2] of char;
begin
buffer[0] := #0;
PlaySound(Buffer, 0, SND_PURGE);
end;