Maen Hasan @....Thanks a lot for your kind reply. I have included the line "LBase::LoadLibraries(LT_ALL_LEADLIB)" in my code. The dll not loaded error is finished, but another i.e. -9 is generated. please help me in fixing this  problem. My code is that,
//////////////////////////////////////////////////////////
L_INT nReturn = 0;
		static FILEINFO FileInfo;  
		memset(&FileInfo, 0, sizeof(FILEINFO));
		FileInfo.uStructSize = sizeof(FILEINFO);
		LOADFILEOPTION pLoadFile;
		pLOADFILEOPTION pLoad;
		SAVEFILEOPTION pSaveFile;
		memset(&pSaveFile, 0, sizeof(SAVEFILEOPTION));
		pSaveFile.uStructSize = sizeof(SAVEFILEOPTION);
		memset(&pLoadFile, 0, sizeof(LOADFILEOPTION));
		pLoadFile.uStructSize = sizeof(LOADFILEOPTION);
		pSAVEFILEOPTION pSave;
		pSave = &pSaveFile;
		pLoad = & pLoadFile;
		pFILEINFO finfo;
		finfo = & FileInfo;
		LFile LeadFile =NULL ;
		L_TCHAR* InPutPath = TEXT("C:\\WorkSpaceAndStructures.rtf");
		CString OutPut = _T("C:\\BUST\\WorkSpaceAndStructures%d");
		LBase::LoadLibraries(LT_ALL_LEADLIB);
		LeadFile.SetFileName(InPutPath);
		nReturn = LeadFile.GetInfo(finfo, sizeof(FILEINFO),FILEINFO_TOTALPAGES, NULL);
		for(L_INT page =1; page <= FileInfo.TotalPages; page++)
		{
			pLoadFile.PageNumber = page;
			OutPut.Format(OutPut, page);
			OutPut = OutPut+".jpg";
			LPTSTR lpszData = new TCHAR[OutPut.GetLength()+1];
			_tcscpy(lpszData , OutPut);
			L_TCHAR* OutPutPath=lpszData;
			nReturn= LeadFile.FileConvert(OutPutPath, InPutPath ,FILE_JPEG,0,0,24,QMS,pLoad,pSave,finfo);
			delete[] lpszData;
		}
//////////////////////////////////////////////////////////
the code is generated at
nReturn = LeadFile.GetInfo(finfo, sizeof(FILEINFO),FILEINFO_TOTALPAGES, NULL); and
nReturn= LeadFile.FileConvert(OutPutPath, InPutPath ,FILE_JPEG,0,0,24,QMS,pLoad,pSave,finfo);
Please help me
Thanks