Function IFeatureReferenceCurve( _
   ByVal NumOfCurves As Integer, _
   ByVal BaseCurves As IntPtr, _
   ByVal Merge As Boolean, _
   ByVal FromFileName As String, _
   ByRef ErrorCode As Integer _
) As ReferenceCurve

Dim instance As IModelDoc
Dim NumOfCurves As Integer
Dim BaseCurves As IntPtr
Dim Merge As Boolean
Dim FromFileName As String
Dim ErrorCode As Integer
Dim value As ReferenceCurve
 
value = instance.IFeatureReferenceCurve(NumOfCurves, BaseCurves, Merge, FromFileName, ErrorCode)

ReferenceCurve IFeatureReferenceCurve( 
   int NumOfCurves,
   IntPtr BaseCurves,
   bool Merge,
   string FromFileName,
   out int ErrorCode
)

ReferenceCurve^ IFeatureReferenceCurve( 
&   int NumOfCurves,
&   IntPtr BaseCurves,
&   bool Merge,
&   String^ FromFileName,
&   [Out] int ErrorCode
)