Implement config var

Implement SongWriter and Song.Save()

Vocaluxe/Base/CConfig.cs

@@ -37,6 +37,7 @@ namespace Vocaluxe.Base
 
         // Debug
         public static EDebugLevel DebugLevel = EDebugLevel.TR_CONFIG_OFF;
+        public static EOffOn SaveModifiedSongs = EOffOn.TR_CONFIG_OFF;
 
         // Graphics
 #if WIN
@@ -169,6 +170,7 @@ namespace Vocaluxe.Base
                 return;
 
             xmlReader.TryGetEnumValue("//root/Debug/DebugLevel", ref DebugLevel);
+            xmlReader.TryGetEnumValue("//root/Debug/SaveModifiedSongs", ref SaveModifiedSongs);
 
             #region Graphics
             xmlReader.TryGetEnumValue("//root/Graphics/Renderer", ref Renderer);
@@ -328,6 +330,9 @@ namespace Vocaluxe.Base
                 writer.WriteComment("DebugLevel: " + CHelper.ListStrings(Enum.GetNames(typeof(EDebugLevel))));
                 writer.WriteElementString("DebugLevel", Enum.GetName(typeof(EDebugLevel), DebugLevel));
 
+                writer.WriteComment("SaveModifiedSongs: " + CHelper.ListStrings(Enum.GetNames(typeof(EOffOn))));
+                writer.WriteElementString("SaveModifiedSongs", Enum.GetName(typeof(EOffOn), SaveModifiedSongs));
+
                 writer.WriteEndElement();
                 #endregion Debug
 

Vocaluxe/Base/CMain.cs

@@ -60,6 +60,11 @@ namespace Vocaluxe.Base
 
     class CBconfig : IConfig
     {
+        public EOffOn GetSaveModifiedSongs()
+        {
+            return CConfig.SaveModifiedSongs;
+        }
+
         public void SetBackgroundMusicVolume(int newVolume)
         {
             CConfig.BackgroundMusicVolume = newVolume;