//int result = eyemDetectAndDecode(eyemImage, eyemRect, "", codeType, out hObject, out tpResults, out ipNum, false, iBlockSize, iRangeC, iSymbolMin, iSymbolMax);
private static extern int eyemDetectAndDecode(EyemImage tpImage, EyemRect tpRoi, string fileName, string strCodeType, out DataCodeHandle hObject, out EyemBarCode* tpResults, out int ipNum, bool bUseNiBlack, int iBlockSize, int iRangeC, int iSymbolMin, int iSymbolMax, double dScaleUpAndDown=1, double dToleErr = 0.5, double dMinorStep = 1.0);