Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
#include "lttwn.h"
L_LTTWN_API L_INT L_TwainSetAcquirePageOptions(hSession, nPaperSize, nPaperDirection)
HTWAINSESSION hSession; |
/* handle to an existing TWAIN session */ |
L_INT nPaperSize; |
/* paper size */ |
L_INT nPaperDirection; |
/* page orientation */ |
Sets the page size and orientation to be used when transferring data from the current TWAIN source.
Parameter |
Description |
hSession |
Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession function. |
nPaperSize |
The page size to set. For more information on possible values, refer to www.twain.org/download.htm and click on TWAIN Specification (Version 1.9). |
nPaperDirection |
The page orientation to set. For more information on possible values, refer to www.twain.org/download.htm and click on TWAIN Specification (Version 1.9). |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
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 www.twain.org/download.htm and click on TWAIN Specification (Version 1.9).
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
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 L_TwainGetImageEffects.