diff --git a/EGkCurveComposite.h b/EGkCurveComposite.h
index a8d55b3..b0b47d7 100644
--- a/EGkCurveComposite.h
+++ b/EGkCurveComposite.h
@@ -70,6 +70,8 @@ class __declspec( novtable) ICurveComposite : public ICurve
       virtual bool GetCurveTempProp( int nCrv, int& nProp, int nPropInd = 0) const = 0 ;
       virtual bool SetCurveTempParam( int nCrv, double dParam, int nParamInd = 0) = 0 ;
       virtual bool GetCurveTempParam( int nCrv, double& dParam, int nParamInd = 0) const = 0 ;
+      virtual bool FromPoint( Point3d& ptStart) = 0 ;
+      virtual bool GetOnlyPoint( Point3d& ptStart) const = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------