May 25, 2021 Flex
Layout panel controls provide users with organizing UI controls on the page. /b10> Each layout control inherits properties from the UIComponent class and then from EventDispatcher and other top-level classes.
| S.N. | Controls and instructions |
|---|---|
| 1 |
The EventDispatcher class is the base class for all classes that can dispatch events. /b10> The EventDispatcher class allows any object on the display list to be the object of the event, so use the IEventDispatcher interface method. |
| 2 |
The UIComponent class is the base class for all visual components, both interactive and non-interactive. |
Here are a few important layout panels :
| S.N. | Panels and instructions |
|---|---|
| 1 |
The BorderContainer class provides a set of CSS styles that control the appearance of the container's borders and background fills. |
| 2 |
The Form container provides control over the layout of the form, marks the form fields as required or optional, handles error messages, and binds the form data to the Flex data model to perform data checks and validations. |
| 3 |
A VGroup container is a group container that uses the Vertical Layout class. |
| 4 |
HGroup containers are Group containers that use the Horizontal Layout class. |
| 5 |
The Panel class is a container that includes the title bar, subtitles, borders, and content areas of its children. |
| 6 |
The SkinnableContainer class is the base class for skin-changing containers that provide visual content. |
| 7 |
The tab bar displays the same set of tabs. |
| 8 |
TitleWindow extends Panel to include a close button and a moving area. |