!--a11y-->
Caption 
The UI element Caption is used by a row of UI elements, for example, Group, Tab, Table, TableColumn and Tray, to provide a heading or a title.

To enable the development of accessible applications, the tooltip property is checked during the syntax check if the property text is not set.
A tooltip does not necessarily have to be set for this UI element, but it could make sense to set it if it contains detailed semantic information.
Examples of the Display
|
|
|
Runtime Class |
CL_WD_CAPTION |
Properties in View Designer
Name |
Type |
Initial Value |
Bindable |
ID |
STRING |
(automatic) |
No |
WDY_BOOLEAN |
true |
Yes |
|
WDY_BOOLEAN |
true |
Yes |
|
STRING |
|
Yes |
|
Translatable text |
|
Yes |
|
WDUI_TEXT_DIRECTION |
inherit |
Yes |
|
Translatable text |
|
Yes |
|
WDUI_VISIBILITY |
visible |
Yes |

Other properties that can be inherited are defined in the associated higher-level classes. The associated UI elements are:
For dynamic programming, the same properties, events and aggregations are available as in the View Designer. Bear in mind the different spellings.
Dynamic Programming of Properties
View Designer Name |
Runtime Name |
Type |
ENABLED |
WDY_BOOLEAN |
|
IMAGE_FIRST |
WDY_BOOLEAN |
|
IMAGE_SOURCE |
STRING |
|
TEXT |
WDY_MD_TRANSLATABLE_TEXT |
|
TEXT_DIRECTION |
WDUI_TEXT_DIRECTION |
|
textDirection: inherit |
CL_WD_CAPTION=>E_TEXT_DIRECTION-INHERIT |
|
textDirection: ltr |
CL_WD_CAPTION=>E_TEXT_DIRECTION-LTR |
|
textDirection: rtl |
CL_WD_CAPTION=>E_TEXT_DIRECTION-RTL |
|
TOOLTIP |
WDY_MD_TRANSLATABLE_TEXT |
|
VISIBLE |
WDUI_VISIBILITY |
|
visible: none |
CL_WD_CAPTION=>E_VISIBLE-NONE |
|
visible: visible |
CL_WD_CAPTION=>E_VISIBLE-VISIBLE |
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You can find examples of this interface element in the system in the Web Dynpro application WDR_TEST_UI_ELEMENTS, and in the component WDR_TEST_EVENTS in the view Button.