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This indicates whether the scanner supports duplex. If so, it further indicates whether one-path or two-path duplex is supported.
This is a read only capability.
Application can send MSG_GET to find out whether the scanner supports duplex.
Source should determine level of duplex support returning the values accordingly.
Type: TW_UINT
Allowed Values: TWDX_NONE
TWDX_ PASSDUPLEX TWDX_ PASSDUPLEX
MSG_GET TW_ONEVALUE MSG_GETCURRENT TW_ONEVALUE MSG_GETDEFAULT TW_ONEVALUE MSG_SET Not Allowed
MSG_SETCONSTRAINT Not Allowed MSG_RESET Not Allowed MSG_QUERYSUPPORT TW_ONEVALUE
All Sources that support Duplex scanning.
Version 1.7
Where would you like to scan from? Scan in Web Apps Scan in Java Scan in .NET
The TWAIN Toolkit is distributed as is. The developer and distributors of the TWAIN Toolkit expressly disclaim all implied, express or statutory warranties including, without limitation, the implied warranties of merchantability, noninfringement of third party rights and fitness for a particular purpose. Neither the developers nor the distributors will be liable for damages, whether direct, indirect, special, incidental, or consequential, as a result of the reproduction, modification, distribution or other use of the TWAIN Toolkit.
