void ViewController_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(viewController.SelectedTarget))
{
var selectedTarget = viewController.SelectedTarget;
if (selectedTarget == null)
{
Hidden = true;
SelectItem(null as NSMenuItem);
}
else
{
Hidden = false;
SelectItem(viewController.IndexOf(selectedTarget));
}
SendAction(Action, Target);
}
}
