Label a Component

To name a component with ARIA attribute by adding the aria-label client attribute to the component, please refer to ZK_Developer's_Reference/Accessibility#Specify_ARIA_Attributes

You need to label a Listbox first, then ZK will add aria-labelledby on the z-focus-a button.

Keyboard Support

Key	Description
ArrowUp / ArrowDown	Select Listitems or focus on Listheaders.
ArrowLeft / ArrowRight	Focus on Listcells or Listheaders
Spacebar (on listitem)	If the checkmark is enabled, pressing Spacebar will toggle selection of the listitem.
Enter / Spacebar (on listgroup)	pressing Enter/Spacebar will open or close the listgroup.
Enter / Spacebar (on "select all" checkbox)	pressing Enter/Spacebar trigger select / unselect all.