#include "lttwn.h"
L_LTTWN_API L_INT L_TwainGetImageFrame(hSession, pFrame)
Gets the current image frame used to transfer images from the current TWAIN source.
Handle to an existing TWAIN session. This handle is obtained by calling L_TwainInitSession or L_TwainInitSession2.
Pointer to a structure to be updated with the current image frame.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
The image frame specifies the size and location of the image to acquire. To set the image frame for the current TWAIN source, call the L_TwainSetImageFrame 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_TwainSetImageFrame.