/// <summary> /// Adds the given file to the specified library, creating the correct /// entry for easier access. /// </summary> /// <param name="file">The file, assumed not <see langword="null"/>, which /// will contain the shape to add to the library.</param> /// <param name="library">The collection of shapes which will get a new /// shape present in the previous file.</param> private static void Add(FileInfo file, MeshLibrary library) => library.Add(new MeshEntry(file));