References ▼
#include "lttwn.h"
L_LTTWN_API L_INT L_TwainGetVersion(pTwainVersion)
TWAIN_VERSION * pTwainVersion; |
the currently used twain version |
Gets the version of TWAIN that is currently being used for this session.
Parameter |
Description |
pTwainVersion |
When this function returns, this parameter will be updated with the TWAIN version currently used by this TWAIN session. For possible values, refer to the TWAIN_VERSION enumeration. |
SUCCESS |
The function was successful. |
!= SUCCESS |
An error occurred. Refer to Return Codes. |
Use this function to determine which version of TWAIN is currently being used by the TWAIN session.
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. |
Functions: |
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| Setting which TWAIN Specification Version to use |
L_INT TwainGetVersionExample(HTWAINSESSION g_hSession){L_INT nRet = TWAIN_SUCCESS;// Show the Twain Select Source UInRet = L_TwainSelectSource(g_hSession, NULL);if (nRet != SUCCESS){MessageBox (NULL, TEXT("Error occurred while selecting the source."),TEXT( "ERROR"), MB_OK);return nRet;}// Get the supported TWAIN version of the selected twain sourceTWAIN_VERSION TwainVersion;nRet = L_TwainGetVersion(&TwainVersion);if (nRet != SUCCESS){MessageBox (NULL, TEXT("Failed to get twain version"), TEXT("ERROR"), MB_OK);return nRet;}if(TwainVersion == TWAIN_VERSION1)MessageBox (NULL, TEXT("Currently using TWAIN 1.x version"), TEXT("INFORMATION"), MB_OK | MB_ICONINFORMATION);elseMessageBox (NULL, TEXT("Currently using TWAIN 2.x version"), TEXT("INFORMATION"), MB_OK | MB_ICONINFORMATION);return nRet;}