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Description
Initiates when a form filler performs an
action that causes the drop-down list to appear, such as clicking
the arrow icon on the drop-down list or by tabbing into the drop-down
list and using the down arrow. This event initiates before 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
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yes
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HTML browser
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no
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Example
You
can use this event to control the loading of large numbers of list
items. For example, you can use this event to load a fixed number
of records from a data source into a drop-down list. This improves
the performance of the form for the form filler at run time.
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