... and table-like structures, both of which are represented by elements in Mozilla's XPFE toolkit In this section, we look at list boxes, trees, and grids With the exception of the tree, these elements ... in the interface is not determined by their position in the XUL markup, as it usually is for items like menus and buttons 3.4 Tabular and Hierarchical Information Many options exist to display ... Example 3-9 is the rules for the nesting of elements within a listbox structure The number of columns needs to be set, each with a element, and all have to be wrapped in a ...