/// <summary>
/// Reads a file with destination layoutFile,returns a list with all area objects if it's a valid Json file
/// </summary>
/// <param name="layoutFile"></param>
/// <returns></returns>
public List <IArea> GetAllObjects(string layoutFile)
{
List <IArea> items = new List <IArea>();
AreaFactory areaFactory = new AreaFactory();
AreaConverter converter = new AreaConverter();
var deseralizeSettings = new JsonSerializerSettings();
string text = File.ReadAllText(layoutFile);
deseralizeSettings.Converters.Add(converter);
deseralizeSettings.TypeNameHandling = TypeNameHandling.Auto;
items = JsonConvert.DeserializeObject <List <IArea> >(text, deseralizeSettings);
return(items);
}