Chapter 8. App Bars and Popups
By assembling the elements, controls, and panels discussed in Chapter 4, and Chapter 5, it is possible to construct an entire user interface on the surface of a page. But for many programs, it’s preferable that most commands and program options remain hidden until the user specifically needs to use them.
Windows applications of the past generally used menus and dialog boxes to consolidate commands and options. While the top level of a menu always remains visible, the actual commands are usually on drop-down submenus. Some menu commands have the effect of invoking a dialog box for presenting a group of related program options.
Windows 8 instead places emphasis on application content rather than chrome. In many cases, ...
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