L_AnnFileInfoOffset

L_INT AnnFileInfoOffsetExample(L_TCHAR*     pszFileName, 
                               L_UINT32     uFormat, 
                               HANNOBJECT   hContainer) 
{ 
   HANDLE         hFile = NULL; 
   L_INT          nRet; 
   SAVEFILEOPTION SaveFileOption; 
   ANNFILEINFO    AnnFileInfo; 
   L_TCHAR        szMsg[200]; 
   L_TCHAR*       pszFormat; 
   L_SIZE_T       zSizeWritten; 
   L_UINT32       uOffset = 30; 
   DWORD          dwSizeWrite; 
 
   hFile  = CreateFile(pszFileName, GENERIC_WRITE | GENERIC_READ , 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); 
 
   WriteFile(hFile, "This is a 29-character string", uOffset, &dwSizeWrite, NULL); 
 
   //Save as the first page of the annotation file 
   nRet = L_AnnSaveOffset((L_HFILE) hFile, uOffset, &zSizeWritten, hContainer, uFormat, FALSE, NULL); 
   if (nRet != SUCCESS) 
      return nRet; 
 
   //Flip the container, and save as the second page (insert before page 2) 
   SaveFileOption.uStructSize = sizeof(SAVEFILEOPTION); 
   SaveFileOption.Flags = ESO_INSERTPAGE; 
   SaveFileOption.PageNumber = 2; 
 
   nRet = L_AnnFlip(hContainer, NULL, ANNFLAG_RECURSE); 
   if (nRet != SUCCESS) 
      return nRet; 
 
   nRet = L_AnnSaveOffset((L_HFILE) hFile, uOffset, &zSizeWritten, hContainer, uFormat, FALSE, &SaveFileOption); 
   if (nRet != SUCCESS) 
      return nRet; 
 
   //Rotate the container, and save as the third page 
   nRet = L_AnnRotate(hContainer, 45.0, NULL, ANNFLAG_RECURSE); 
   if (nRet != SUCCESS) 
      return nRet; 
   SaveFileOption.PageNumber = 3; 
   nRet = L_AnnSaveOffset((L_HFILE) hFile, uOffset, &zSizeWritten, hContainer, uFormat, FALSE, &SaveFileOption); 
   if (nRet != SUCCESS) 
      return nRet; 
 
   //Verify contents of file 
   AnnFileInfo.uStructSize = sizeof(ANNFILEINFO); 
   AnnFileInfo.nOffset = uOffset; 
   AnnFileInfo.nReserved = 0; 
   nRet = L_AnnFileInfoOffset((L_HFILE) hFile, &AnnFileInfo, sizeof(ANNFILEINFO)); 
   if (nRet != SUCCESS) 
      return nRet; 
 
   switch(AnnFileInfo.uFormat) 
   { 
   case ANNFMT_NATIVE: 
      pszFormat = TEXT("ANNFMT_NATIVE"); 
      break; 
 
   case ANNFMT_WMF: 
      pszFormat = TEXT("ANNFMT_WMF"); 
      break; 
 
   case ANNFMT_ENCODED: 
      pszFormat = TEXT("ANNFMT_ENCODED"); 
      break; 
 
   case ANNFMT_XML: 
      pszFormat = TEXT("ANNFMT_XML"); 
      break; 
 
   default: 
      pszFormat = TEXT("Unknown"); 
      break; 
   } 
 
   wsprintf(szMsg, 
      TEXT("File[%s]\nVersion[%d]\nFormat[%s]\nTotal Pages[%d]\n"), 
      pszFileName,  
      AnnFileInfo.nVersion, 
      pszFormat, 
      AnnFileInfo.nTotalPages); 
 
   MessageBox(NULL, szMsg, TEXT("Information"), MB_OK); 
 
   //Now delete the second page, and display information 
   nRet = L_AnnDeletePageOffset((L_HFILE) hFile, uOffset, 2); 
 
   AnnFileInfo.uStructSize = sizeof(ANNFILEINFO); 
   AnnFileInfo.nReserved = 0; 
   nRet = L_AnnFileInfoOffset((L_HFILE) hFile, &AnnFileInfo, sizeof(ANNFILEINFO)); 
   if (nRet != SUCCESS) 
      return nRet; 
   wsprintf(szMsg, 
      TEXT("File[%s]\nVersion[%d]\nFormat[%s]\nTotal Pages[%d]\n"), 
      pszFileName,  
      AnnFileInfo.nVersion, 
      pszFormat, 
      AnnFileInfo.nTotalPages); 
 
   MessageBox(NULL, szMsg, TEXT("Information"), MB_OK); 
 
   CloseHandle(hFile); 
 
   return nRet; 
}