using System.Collections.ObjectModel; namespace WPFProject.Models { public class FuncModel : NotifyBase { private string _Name; public string Name { get { return _Name; } set => RaiseAndSetIfChanged(ref _Name, value); } private ObservableCollection _Children; public ObservableCollection Children { get { return _Children; } set => RaiseAndSetIfChanged(ref _Children, value); } } }