#include "lttwn.h"
L_LTTWN_API L_INT L_TwainSetAcquirePageOptions(hSession, nPaperSize, nPaperDirection)
Sets the page size and orientation to be used when transferring data from the current TWAIN source.
Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.
The page size to set. For more information on possible values, refer to the TWAIN specification.
The page orientation to set. For more information on possible values, refer to the TWAIN specification.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
This function internally sets the page size capability ICAP_SUPPORTEDSIZES, and the page orientation capability ICAP_ORIENTATION. For more information on these capabilities, refer to the TWAIN specification.
To get the current values of these capabilities, call the L_TwainGetAcquirePageOptions function.
This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.
Required DLLs and Libraries
For an example, refer to L_TwainGetImageEffects.