In Chapter 4, Layout, Elements, and Controls, we discussed various elements and controls provided by WinRT. Customizing the appearance of elements and controls can be done using the following levels (from simple to complex). Of course, not all elements/controls support all levels:
FontFamily, and so on),
Background, and many others.
Contentproperty can be set to any element, as complex as required. For example, this can make a
Buttonshow images, text, and anything else that's required, while ...