LEADTOOLS TWAIN C++ Class Library Help > Classes and Function References > LTwain > LTwain Class Members > LTwain::GetDuplexOptions |
#include "ltwrappr.h"
L_INT LTwain::GetDuplexOptions (pbEnableDuplex, pnDuplexMode)
L_BOOL * pbEnableDuplex; |
/* pointer to a variable to be updated */ |
L_INT * pnDuplexMode; |
/* pointer to the duplex mode */ |
Gets the current duplex mode and the enabled status of the current duplex mode for the current TWAIN source.
Parameter |
Description |
|
pbEnableDuplex |
Pointer to a variable to be updated with a value that specifies whether the duplex mode is enabled or disabled. Possible values are: |
|
|
Value |
Meaning |
|
TRUE |
Duplex mode is enabled. |
|
FALSE |
Duplex mode is disabled. |
pnDuplexMode |
Pointer to a variable to be updated with the duplex mode value. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
This function gets the current duplex mode capability CAP_DUPLEX, and the duplex mode's enabled status capability CAP_DUPLEXENABLED values. For more information on these capabilities, refer to http://www.twain.org/ and click on TWAIN Specification (Version 1.9).
To enable or disable the duplex mode, call the LTwain::EnableDuplex function.
Required DLLs and Libraries
LTTWN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
See Also
Example
For an example, refer to LTwain::EnableDuplex.