#include "lttwn.h"
L_LTTWN_API L_INT L_TwainShowProgress(hSession, bShow)
Enables or disables the display of a progress indicator during the acquisition of 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.
Flag that indicates whether to display a progress indicator during image acquisition from the current TWAIN source. Possible values are:
Value | Meaning |
---|---|
TRUE | Display a progress indicator during image acquisition. |
FALSE | Hide the progress indicator during image acquisition. |
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.
Required DLLs and Libraries
L_INT TwainShowProgressExample(HTWAINSESSION hSession)
{
L_INT nRet;
nRet = L_TwainStartCapsNeg (hSession);
if(nRet != SUCCESS)
return nRet;
nRet = L_TwainShowProgress(hSession, TRUE);
if(nRet != SUCCESS)
return nRet;
nRet = L_TwainEndCapsNeg (hSession);
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}