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LTwain::SetTransferOptions

Summary

Sets the options used for transferring data from the current TWAIN source.

Syntax

#include "ltwrappr.h"

L_INT LTwain::SetTransferOptions(pTransferOpts);

Parameters

pTRANSFEROPTIONS pTransferOpts

Pointer to the TRANSFEROPTIONS structure that contains the transfer options to set.

Returns

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

Comments

To obtain the current transfer options, call the LTwain::GetTransferOptions 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.

Example

L_INT LTwain__SetTransferOptionsExample(LTwain * plTwain) 
 
{ 
   L_INT nRet = SUCCESS;  
 
   L_UINT TransferModes = 0;  
 
   nRet = plTwain->GetSupportedTransferMode (&TransferModes);  
 
   if (nRet == SUCCESS)  
 
   { 
 
      if ((TransferModes & TWAIN_TRANSFER_FILE) == TWAIN_TRANSFER_FILE)  
 
         MessageBox(NULL, TEXT("File transfer is supported"), TEXT("Notice!"), MB_OK);  
 
   } 
   else 
      return nRet; 
 
   TRANSFEROPTIONS TransOpts;  
 
   memset(&TransOpts, 0, sizeof(TRANSFEROPTIONS));  
 
   plTwain->GetTransferOptions (&TransOpts, sizeof(TRANSFEROPTIONS));  
 
   if (nRet == SUCCESS)  
 
   { 
 
      if (TransOpts.TransferMode != TWAIN_TRANSFER_FILE)  
 
      { 
 
         TransOpts.TransferMode = TWAIN_TRANSFER_FILE;  
 
         lstrcpy(TransOpts.szFileName, MAKE_IMAGE_PATH(TEXT("test.bmp"))); 
 
         TransOpts.uFileFormat = TWFF_BMP;  
 
      } 
 
      nRet = plTwain->SetTransferOptions(&TransOpts);  
      if(nRet != SUCCESS) 
         return nRet; 
 
   } 
 
   return SUCCESS; 
}