Fixed some bugs with bg-music.

Vocaluxe/Base/CBackgroundMusic.cs

@@ -184,7 +184,7 @@ namespace Vocaluxe.Base
 
             if (_PlaysPreview)
                 _PreviewPlayer.Play();
-            else if(CConfig.BackgroundMusic == EBackgroundMusicOffOn.TR_CONFIG_OFF)
+            else if(CConfig.BackgroundMusic == EBackgroundMusicOffOn.TR_CONFIG_ON)
                 if (_SongPlayer.SongLoaded)
                     //Resume
                     _SongPlayer.TogglePause();

Vocaluxe/Screens/CScreenOptionsSound.cs

@@ -160,7 +160,7 @@ namespace Vocaluxe.Screens
             if (CConfig.BackgroundMusic == EBackgroundMusicOffOn.TR_CONFIG_ON)
                 CBackgroundMusic.Play();
             else
-                CBackgroundMusic.Pause();
+                CBackgroundMusic.Stop();
         }
     }
 }

Vocaluxe/Screens/CScreenSong.cs

@@ -714,7 +714,7 @@ namespace Vocaluxe.Screens
 
             _SongMenu.OnHide();
 
-            if (CGraphics.NextScreen != EScreens.ScreenNames)
+            if (CGraphics.NextScreen != EScreens.ScreenNames || CConfig.BackgroundMusic == EBackgroundMusicOffOn.TR_CONFIG_OFF)
             {
                 CBackgroundMusic.Disabled = false;
                 CSound.SetGlobalVolume(CConfig.BackgroundMusicVolume);

VocaluxeLib/Menu/SongMenu/CSongMenuFramework.cs

@@ -297,7 +297,7 @@ namespace VocaluxeLib.Menu.SongMenu
         
         public virtual void OnHide()
         {
-            if(CBase.Graphics.GetNextScreen() != EScreens.ScreenNames)
+            if(CBase.Graphics.GetNextScreen() != EScreens.ScreenNames || CBase.Config.GetBackgroundMusicStatus() == EBackgroundMusicOffOn.TR_CONFIG_OFF)
                 _ResetPreview();
         }