TabPanel
is a subclass of Panel
which has an Items
collection used to add many other Container
type components, each of which will become a tab. TabPanel
overrides how this Items
collection is rendered because internally TabPanel
uses a CardLayout
layout manager allowing it to hide each child item until it is activated. A tab bar shows the tabs. The title and icon of each item in the Items
collection is also used to set the tab's title and icon. Therefore, unlike normal panels, a tab item won't render a header.
With a TabPanel
, you can programmatically add tabs. You can add some at the moment a TabPanel
is created while adding others later if needed. The contents of the tabs can be configured to render immediately, or when the tab is activated (the default action). This is controlled by the DeferredRender
property on the TabPanel
class, which defaults to true
. In addition, AJAX techniques can be used to load tab contents on demand.
TabPanel
also provides numerous features to handle...