/// <summary> /// Gets a child storage by its name or create a new one if not found. /// </summary> /// <param name="name">The name. May not be null.</param> /// <returns>An instance of the CompoundFileStorage class.</returns> public CompoundFileStorage GetOrAddChildStorage(string name) { if (name == null) { throw new ArgumentNullException(nameof(name)); } var storage = GetChildStorage(name); if (storage != null) { return(storage); } storage = _file.AddStorage(this, name); _storages.Add(storage); return(storage); }