how to hide / collapse title bar in a UWP app?

Question

Is there a way to somehow hide / collapse / make temporarily invisible (but not fully disable) titlebar in a UWP app?

I know that it is possible to make app fullscreen a

Answer 1

Finally, I should say, that, for the purposes of having additional screen real estate (which I needed), it is possible to expand client area to title bar and make background color of 3 buttons (minimize, maximize, close) transparent:

With standard titlebar:

With extended view and transparent buttons' background:

ApplicationViewTitleBar formattableTitleBar = ApplicationView.GetForCurrentView().TitleBar;
formattableTitleBar.ButtonBackgroundColor = Colors.Transparent;
CoreApplicationViewTitleBar coreTitleBar = CoreApplication.GetCurrentView().TitleBar;
coreTitleBar.ExtendViewIntoTitleBar = true;