Queries some RxTwain settings.
Synopsis
value = TwainQuery(Component)
Args
Component is one of the following:
Options Meaning 'UI' Queries if the data source will present some dialog box to the enduser to let him set some options, such as color resolution, etc when TwainAcquire is called. 'DSM' Queries if the data source manager is open. 'DS' Queries if some data source is open. 'SELECT' Queries if some data source has been selected via TwainSelectSource. 'SCAN' Queries if some data source is currently scanning (ie, doing an acquire operation). 'MODAL' Queries if the data source has a modal interface.
Returns
A 1 if the condition is true, or 0 if false.