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List and Tree Events

Event Name
Components
Description
onSelect listbox

tabbox tab tree combobox

Event: SelectEvent

Denotes user has selected one or multiple child components. For a listbox, it is a set of listitems. For a tree, it is a set of treeitems. For a tabbox, it is a tab.

Please note: onSelect is sent to both a tab and the tabbox. Therefore you can choose which component to add event listener to.

onOpen north

east west south groupbox treeitem combobox bandbox menupopup window

Event: OpenEvent

Denotes the user has opened or closed a component. Note: unlike onClose, this event is only a notification. The client sends this event after opening or closing the component. It has a function named isOpen() allowing you to check whether it is open or closed.

It is useful to implement load-on-demand by listening to the onOpen event, and creating components when the first time the component is opened.

onClose north

east west south groupbox treeitem combobox bandbox menupopup window

Event: OpenEvent

There is no onClose event. There is only an onOpen event, however you can determine the state by using the onOpen function to check whether it is open or closed.




Copyright © Potix Corporation. This article is licensed under GNU Free Documentation License.