C# ขอคำแนะนำในการเรียน play sound ที่เขียนแบบ function เขียนแค่จุดเดียว แล้วก็เรียกใช้งาน

                    if (RoomID == "1")
                    {
                        switch (QueueID.ToString())
                        {
                            case "1":
                                string soundfile = @"C:\sound\เชิญหมายเลข.wav";
                                var sound = new System.Media.SoundPlayer(soundfile);
                                sound.Play();
                                System.Threading.Thread.Sleep(1350);

                                string soundfile1 = @"C:\sound\001.wav";
                                var sound1 = new System.Media.SoundPlayer(soundfile1);
                                sound1.Play();
                                System.Threading.Thread.Sleep(1500);

                                string soundfile2 = @"C:\sound\ที่ห้องบริการ.wav";
                                var sound2 = new System.Media.SoundPlayer(soundfile2);
                                sound2.Play();
                                System.Threading.Thread.Sleep(2500);

                                string soundfile3 = @"C:\sound\1.wav";
                                var sound3 = new System.Media.SoundPlayer(soundfile3);
                                sound3.Play();
                                System.Threading.Thread.Sleep(1250);

                                string soundfile4 = @"C:\sound\ค่ะ.wav";
                                var sound4 = new System.Media.SoundPlayer(soundfile4);
                                sound4.Play();

                                break;

                            case "2":

                                string soundfile5 = @"C:\sound\เชิญหมายเลข.wav";
                                var sound5 = new System.Media.SoundPlayer(soundfile5);
                                sound5.Play();
                                System.Threading.Thread.Sleep(1350);

                                string soundfile6 = @"C:\sound\002.wav";
                                var sound6 = new System.Media.SoundPlayer(soundfile6);
                                sound6.Play();
                                System.Threading.Thread.Sleep(1500);

                                string soundfile7 = @"C:\sound\ที่ห้องบริการ.wav";
                                var sound7 = new System.Media.SoundPlayer(soundfile7);
                                sound7.Play();
                                System.Threading.Thread.Sleep(2500);

                                string soundfile8 = @"C:\sound\1.wav";
                                var sound8 = new System.Media.SoundPlayer(soundfile8);
                                sound8.Play();
                                System.Threading.Thread.Sleep(1250);

                                string soundfile9 = @"C:\sound\ค่ะ.wav";
                                var sound9 = new System.Media.SoundPlayer(soundfile9);
                                sound9.Play();

                                break;

                            case "3":

                                string soundfile10 = @"C:\sound\เชิญหมายเลข.wav";
                                var sound10 = new System.Media.SoundPlayer(soundfile10);
                                sound10.Play();
                                System.Threading.Thread.Sleep(1350);

                                string soundfile11 = @"C:\sound\003.wav";
                                var sound11 = new System.Media.SoundPlayer(soundfile11);
                                sound11.Play();
                                System.Threading.Thread.Sleep(1500);

                                string soundfile12 = @"C:\sound\ที่ห้องบริการ.wav";
                                var sound12 = new System.Media.SoundPlayer(soundfile12);
                                sound12.Play();
                                System.Threading.Thread.Sleep(2500);

                                string soundfile13 = @"C:\sound\1.wav";
                                var sound13 = new System.Media.SoundPlayer(soundfile13);
                                sound13.Play();
                                System.Threading.Thread.Sleep(1250);

                                string soundfile14 = @"C:\sound\ค่ะ.wav";
                                var sound14 = new System.Media.SoundPlayer(soundfile14);
                                sound14.Play();
                                break;

                            case "4":

                                string soundfile15 = @"C:\sound\เชิญหมายเลข.wav";
                                var sound15 = new System.Media.SoundPlayer(soundfile15);
                                sound15.Play();
                                System.Threading.Thread.Sleep(1350);

                                string soundfile16 = @"C:\sound\004.wav";
                                var sound16 = new System.Media.SoundPlayer(soundfile16);
                                sound16.Play();
                                System.Threading.Thread.Sleep(1500);

                                string soundfile17 = @"C:\sound\ที่ห้องบริการ.wav";
                                var sound17 = new System.Media.SoundPlayer(soundfile17);
                                sound17.Play();
                                System.Threading.Thread.Sleep(2500);

                                string soundfile18 = @"C:\sound\1.wav";
                                var sound18 = new System.Media.SoundPlayer(soundfile18);
                                sound18.Play();
                                System.Threading.Thread.Sleep(1250);

                                string soundfile19 = @"C:\sound\ค่ะ.wav";
                                var sound19 = new System.Media.SoundPlayer(soundfile19);
                                sound19.Play();
                                break;

                            case "5":
                                string soundfile20 = @"C:\sound\เชิญหมายเลข.wav";
                                var sound20 = new System.Media.SoundPlayer(soundfile20);
                                sound20.Play();
                                System.Threading.Thread.Sleep(1350);

                                string soundfile21 = @"C:\sound\005.wav";
                                var sound21 = new System.Media.SoundPlayer(soundfile21);
                                sound21.Play();
                                System.Threading.Thread.Sleep(1500);

                                string soundfile22 = @"C:\sound\ที่ห้องบริการ.wav";
                                var sound22 = new System.Media.SoundPlayer(soundfile22);
                                sound22.Play();
                                System.Threading.Thread.Sleep(2500);

                                string soundfile23 = @"C:\sound\1.wav";
                                var sound23 = new System.Media.SoundPlayer(soundfile23);
                                sound23.Play();
                                System.Threading.Thread.Sleep(1250);

                                string soundfile24 = @"C:\sound\ค่ะ.wav";
                                var sound24 = new System.Media.SoundPlayer(soundfile24);
                                sound24.Play();
                                break;
                    }
  }