Home › Forums › TWAIN Classic › twain scan front/back › Re: Re: twain scan front/back
August 14, 2009 at 1:19 am #25003
1. Check CAP_DUPLEX. If it is TWDX_1PASSDUPLEX or TWDX_2PASSDUPLEX, the scanner supports duplex scanning.
2. Set CAP_DUPLEXENABLED to TRUE to enable duplex scanning.
3. Start scanning.
See TWAIN specification for details.