[Serializable]

    public class Menu : INotifyPropertyChanged

    {

        private string _Fa;

        public string MenuName

        {

            get { return _Fa; }

            set

            {

                if (_Fa != value)

                {

                    _Fa = value;

                    RaisePropertyChangedEvent("Fa");

                }

            }

        }

        private Image _Fb;

        public Image Image

        {

            get { return _Fb; }

            set

            {

                if (_Fb != value)

                {

                    _Fb = value;

                    RaisePropertyChangedEvent("Fb");

                }

            }

        }

        public event PropertyChangedEventHandler PropertyChanged;

        private void RaisePropertyChangedEvent(string name)

        {

            if (this.PropertyChanged != null)

            {

                this.PropertyChanged(this, new PropertyChangedEventArgs(name));

            }

        }

    }

private ObservableCollection<Menu> _menus = new ObservableCollection<Menu>();

[Browsable(true)]

[Description("菜单")]

[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]

public ObservableCollection<Menu> Menus

{

    get {  return _menus; }

    set {

        _menus = value;

        MessageBox.Show("ceshi");//这里检测不到

    }

}

private void FormHeader_Load(object sender, EventArgs e)

{

    GenerateUserPhoto();

    Menus.CollectionChanged += Menus_CollectionChanged; ;

}

private void Menus_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)

{

    flowLayoutPanel1.Controls.Clear();

    for (int i = ; i < Menus.Count; i++)

    {

        Button button=new Button();

        button.Text = Menus[i].MenuName;

        flowLayoutPanel1.Controls.Add(button);

    }

}