HelixToolkit.Wpf.ObjReader.BuildModel C# (CSharp) Метод

        private Model3DGroup BuildModel()
        {
            Model3DGroup modelGroup = null;
            this.Dispatch(() =>
                {
                    modelGroup = new Model3DGroup();
                    foreach (var g in this.Groups)
                    {
                        foreach (var gm in g.CreateModels())
                        {
                            if (this.Freeze)
                            {
                                gm.Freeze();
                            }

                            modelGroup.Children.Add(gm);
                        }
                    }

                    if (this.Freeze)
                    {
                        modelGroup.Freeze();
                    }
                });
            return modelGroup;
        }