C# - Wave-Dateien über MCI aufnehmen

//Zuerst muss die entsprechende DLL importiert werden
        [DllImport("winmm.dll")]
        private static extern int mciSendString(string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback);

        private void Aufnahme_Start()
        {
            mciSendString("open new Type waveaudio Alias recsound", "", 0, 0);

            mciSendString("set recsound TIME FORMAT MS", "", 0, 0);
            mciSendString("set recsound BITSPERSAMPLE 16", "", 0, 0);
            mciSendString("set recsound CHANNELS 2", "", 0, 0);
            mciSendString("set recsound SAMPLESPERSEC 48000", "", 0, 0);
            mciSendString("set recsound BYTESPERSEC 192000", "", 0, 0);
            mciSendString("set recsound ALIGNMENT 4", "", 0, 0);

            mciSendString("record recsound", "", 0, 0);
        }

        private void Aufnahme_Stop()
        {
            mciSendString("save recsound C:/Aufnahme.wav", "", 0, 0);
            mciSendString("close recsound", "", 0, 0);
        }