创建BindableProperty时GetValue和SetValue与INotifyPropertyChanged.PropertyChanged的比较?

  public static readonly BindableProperty OnTextProperty = BindableProperty.Create(nameof(OnText),
            typeof(string), typeof(TextSwitch), defaultValue: string.Empty, defaultBindingMode: BindingMode.TwoWay,
            propertyChanged: HandleOnTextPropertyChanged);

        private static void HandleOnTextPropertyChanged(BindableObject bindable, object oldValue, object newValue)
        {
            (bindable as TextSwitch)?.Rebuild();
        }

        public string OnText
        {
            get { return (string)GetValue(OnTextProperty); }
            set { SetValue(OnTextProperty, value); }
        }

对我来说,由于我做了一些WPF,bindable属性由两部分组成:静态只读BindableProperty字段和具有 GetValue 在getter和 SetValue 在塞特。但我被这件事绊倒了: https://github.com/adamped/NavigationMenu/blob/master/NavigationMenu/NavigationMenu/NavigationItem.xaml.cs

那就把火烧了 PropertyChanged 活动:

public static readonly BindableProperty TextProperty = BindableProperty.Create(
    nameof(Text),
    typeof(string),
    typeof(NavigationItem),
    string.Empty,
    propertyChanging: (bindable, oldValue, newValue) =>
    {
        var ctrl = (NavigationItem)bindable;
        ctrl.Text = (string)newValue;
    },
    defaultBindingMode: BindingMode.OneWay);

private string _text;

public string Text
{
    get { return _text; }
    set
    {
        _text = value;
        OnPropertyChanged();
    }
}

如何将其与可绑定属性合并,以使其在无需绑定的情况下工作 方法 和 赋值 ?在哪些情况下,我们需要使用一种方法而不是另一种方法?

显然,我不习惯自绑定可重用控件的概念。。但是他没有打电话 和 对绑定属性至关重要?