Initiates immediately after a form filler
performs an action that causes the data in a drop-down list to appear,
such as clicking the arrow icon on the drop-down list or tabbing
into the drop-down list and then using the down arrow. This event initiates
after the contents of the drop-down list are displayed.
Note:
This event applies only to the Drop-down List
object.
Type
Interactive
event
Support
Client application
Availability
Acrobat and Adobe Reader
yes
HTML browser
no
Version
XFA
2.8
Example
You
can use this event to handle errors or unexpected outcomes as a
result of processing the opening of the drop-down list. For example,
if the
preOpen
event is dispatched via scripting
instead of user interaction, or if the opening of the drop-down
list data does not occur as a result of an error, the
postOpen
event
is still dispatched to let error handling scripts execute.
