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How do you reference the export value of a combo box item?

Mentor ,
Apr 04, 2018 Apr 04, 2018

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If the event.value of a combo box is the item name of the current selection, then what do you use to reference the current selection's export value?

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Acrobat SDK and JavaScript

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Community Expert , Apr 04, 2018 Apr 04, 2018

Good question. There's no simple way. The most direct way would be to use the currentValueIndices property and the getItemAt method to get it, but that doesn't update until after the validation event, so if you try it you'll get the value from before the change.

The only approach that I found to work is to basically iterate over all the items in the field (using numItems and getItemAt), comparing them to event.value, and if you find a match then use getItemAt again to get the export value of that

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Community Expert ,
Apr 04, 2018 Apr 04, 2018

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Good question. There's no simple way. The most direct way would be to use the currentValueIndices property and the getItemAt method to get it, but that doesn't update until after the validation event, so if you try it you'll get the value from before the change.

The only approach that I found to work is to basically iterate over all the items in the field (using numItems and getItemAt), comparing them to event.value, and if you find a match then use getItemAt again to get the export value of that index.

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Mentor ,
Apr 04, 2018 Apr 04, 2018

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I guess I won't worry about it, then; referencing the item name works fine; it just seemed a little clunky. Thanks.

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