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Reply To: Transition from state 5 to 6

Forums › TWAIN Classic › Transition from state 5 to 6 › Reply To: Transition from state 5 to 6

July 13, 2007 at 5:56 am #23897
TheCrow99
Participant
  • Topics - 6
  • Replies - 54
  • Total Posts - 60

how does the source tell the application that something is ready? Can I do this with
sm = (*pDSM_Entry) (&ds_id, &app_id, DG_CONTROL, DAT_NULL, MSG_XFERREADY, NULL) ?
because I don’t really understand how a scanner knows that there is something to scan except you press the SCAN button – which, as far as I understood some other discussions here in the forum, is not very easy to implement.

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