- remove bool return value and todo

GBase/DataHandling/XmlDataWriter.cs

@@ -27,18 +27,16 @@ namespace GBase.DataHandling
         /// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the async operation</param>
         /// <returns>Returns true if successful, false if not</returns>
         /// <exception cref="Exception">No root element found</exception>
-        public async Task<bool> InitFile(FileStream file, string rootElementName, CancellationToken cancellationToken)
+        public async Task InitFile(FileStream file, string rootElementName, CancellationToken cancellationToken)
         {
             //if the xml file isn't empty, return
             if (file.Length > 3) //> 3 because of BOM
-                return true; //TODO: Don't return bool?
+                return;
             
             XDocument xmlDocument = new XDocument();
             xmlDocument.Add(new XElement(rootElementName));
             file.Seek(0, SeekOrigin.Begin); //reset stream to it's beginning to be able to save it
             await xmlDocument.SaveAsync(file, SaveOptions.OmitDuplicateNamespaces, cancellationToken);
-
-            return true;
         }
 
         /// <summary>

GBase/Interfaces/DataHandling/IDataWriter.cs

@@ -21,7 +21,7 @@ namespace GBase.Interfaces.DataHandling
         /// <param name="rootElementName"></param>
         /// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the async operation</param>
         /// <returns>Returns true if successful, false if not</returns>
-        Task<bool> InitFile(FileStream file, string rootElementName, CancellationToken cancellationToken);
+        Task InitFile(FileStream file, string rootElementName, CancellationToken cancellationToken);
 
         /// <summary>
         /// Write the data of a property