References ▼
#include "lttwn.h"
L_LTTWN_API L_INT L_TwainShowProgress(hSession, bShow)
HTWAINSESSION hSession; |
handle to an existing TWAIN session |
L_BOOL bShow; |
flag |
Enables or disables the display of a progress indicator during the acquisition of images from the current TWAIN source.
| Parameter | Description | |
| hSession | Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function. | |
| bShow | Flag that indicates whether to display a progress indicator during image acquisition from the current TWAIN source. Possible values are: | |
| Value | Meaning | |
| TRUE | Displays progress indicator during image acquisition. | |
| FALSE | Hides the progress indicator during image acquisition | |
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
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. |
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;}