1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:

        [System.Runtime.InteropServices.DllImport("winmm.dll")]
        private static extern uint mciSendString(string command, StringBuilder returnValue, int returnLength, IntPtr winHandle);
        
        private void PlaySound()
        {
                 DateTime dt = DateTime.Now;
                 for (int i = 0; i<PfadzuDatei.Count; i++)
                 {
                        sp = new SoundPlayer(PfadzuDatei[i]);
                        minWain = getWaveLength(PfadzuDatei[i])
                        sp.Load();
                        if ((minWait) - DateTime.Now.Subtract(dt).TotalMilliseconds > 0)
                            Thread.Sleep((int)((minWait) - DateTime.Now.Subtract(dt).TotalMilliseconds));
                        dt = DateTime.Now
                        sp.Play();
                 }
        }

        private static int getWaveLength(string filepath)
        {
            StringBuilder lengthBuf = new StringBuilder(32);

            mciSendString(string.Format("open \"{0}\" type waveaudio alias wave", filepath), null, 0, IntPtr.Zero);
            mciSendString("status wave length", lengthBuf, lengthBuf.Capacity, IntPtr.Zero);
            mciSendString("close wave", null, 0, IntPtr.Zero);

            int length = 0;
            int.TryParse(lengthBuf.ToString(), out length);

            return length;
        }