private static Behavior CreateAppearingEventToCommandBehavior(VisualElement view)
{
var behavior = new EventToCommandBehavior {
EventName = nameof(ContentPage.Appearing)
};
view.BindingContextChanged += (s, e) =>
{
behavior.SetBinding(CommandProperty, new Binding(nameof(BaseViewModel.AppearingCommand))
{
Source = view.BindingContext
});
};
return(behavior);
}