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Description
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.
Support
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Client application
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Availability
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Acrobat and Adobe Reader
|
yes
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HTML browser
|
no
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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.
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