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Number of elements selected in the specified List Box (or Combo Box) control. This parameter:can be greater than 1 only if the List Box control is multiselection,is equal to 1 if the Combo Box control is not editable or if the Combo Box control is editable and if an element is selected,is equal to 0 if the Combo Box control is editable and no element is selected.
Name of List Box (or Combo Box) control to use.
Last update: 04/29/2020
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All you have to do is configure your product as follows: