L_TwainShowProgress

#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.

Parameters

HTWAINSESSION hSession

Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.

L_BOOL bShow

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.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.

Required DLLs and Libraries

See Also

Functions

Topics

Example

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; 
} 
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