References ▼
#include "ltwrappr.h"
virtual L_INT LTwain::GetSources (uFlags, uStructSize)
Gets the available information for the TWAIN sources installed on the system.
Flags that indicate what sources to get. Possible values are:
| Value | Meaning |
|---|---|
| LTWAIN_SOURCE_ENUMERATE_ALL | [0x0000] Enumerates all the available sources. |
| LTWAIN_SOURCE_ENUMERATE_DEFAULT | [0x0001] Gets only the default source (currently selected). |
Size of the LTWAINSOURCEINFO structure, in bytes, for versioning. Use sizeof(LTWAINSOURCEINFO).
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
L_INT CMyTwain::SourceInfoCallBack(pLTWAINSOURCEINFO pSourceInfo){L_TCHAR szBuffer[MAX_PATH];memset(szBuffer, 0, sizeof(szBuffer));wsprintf(szBuffer, TEXT("Source Name = %s\nProduct Family = %s\nManufacturer = %s\n"),pSourceInfo->pszTwnSourceName,pSourceInfo->pszTwnProductFamily,pSourceInfo->pszTwnManufacturer);MessageBox(NULL, szBuffer, TEXT("Source Info."), MB_OK);return TWAIN_SUCCESS;}// initialize session and call this functionL_INT LTwain__GetSourcesExample(CMyTwain *MyClass){L_INT nRet;MyClass->EnableCallBack (TRUE);nRet = MyClass->GetSources(LTWAIN_SOURCE_ENUMERATE_ALL , sizeof(LTWAINSOURCEINFO));if (nRet != SUCCESS){MessageBox (NULL, TEXT("Error during the enumeration procedure"), TEXT("ERROR"), MB_OK);return nRet;}return SUCCESS;}