private extern static Int32 Consult(String pszFilename,
                                     IntPtr pFeatures,
                                     ref Int32 pClassesCount,
                                     ref IntPtr pOutClasses,
                                     _C45DebugParameter debugParameter);
 private extern static System.Int32 GenerateDTree(String filename,
                                                  Boolean gainRatio,
                                                  Boolean subtreeRaising,
                                                  Boolean softTresh,
                                                  Int32 confidenceLevel,
                                                  _C45DebugParameter debugParameter);