#include "lttwn.h"
L_LTTWN_API L_INT L_TwainGetResolution(hSession, pXRes, pYRes)
Gets the current horizontal and vertical resolution used to transfer images from the current TWAIN source.
Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.
Pointer to a variable to be updated with the current horizontal resolution value.
Pointer to a variable to be updated with the current vertical resolution value.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
This function gets the horizontal and vertical resolution capability values ICAP_XRESOLUTION and ICAP_YRESOLUTION. For more information on these capabilities, refer to the TWAIN specification.
To set the resolution values, call the L_TwainSetResolution 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_TwainSetResolution.