19.5. Widget Browser
There is one exception to this rule. Some third-party widgets do not define a widget description class and will not show up in the Widget Browser. If you're wondering what a widget description does, it isn't at all complicated. It defines a default instantiation of the widget, which is used to display the widget in the Toolbox.
As you can see in Figure 19.9, each widget is displayed with five tabs:
Figure 19.9. Widget Browser