In addition to dozens of built-in controls, you can install additional ones as NuGet packages. One of the best is the UWP Community Toolkit, which you can read more about at the following link:
http://www.uwpcommunitytoolkit.com/
In the FluentUwpApp project, right-click on References, and select Manage NuGet Packages.... Click on Browse, search for Microsoft.Toolkit.Uwp.UI.Controls, and click on Install, as shown in the following screenshot:
Review the changes and accept the license agreement.
Open MainPage.xaml, and in the Page element, import the toolkit namespace as a prefix named kit, as shown in the following ...
