Function ICopyDocument( _
   ByVal SourceDoc As String, _
   ByVal DestDoc As String, _
   ByVal ChildCount As Integer, _
   ByRef FromChildren As String, _
   ByRef ToChildren As String, _
   ByVal Option As Integer _
) As Integer

Dim instance As ISldWorks
Dim SourceDoc As String
Dim DestDoc As String
Dim ChildCount As Integer
Dim FromChildren As String
Dim ToChildren As String
Dim Option As Integer
Dim value As Integer
 
value = instance.ICopyDocument(SourceDoc, DestDoc, ChildCount, FromChildren, ToChildren, Option)

int ICopyDocument( 
   string SourceDoc,
   string DestDoc,
   int ChildCount,
   ref string FromChildren,
   ref string ToChildren,
   int Option
)

int ICopyDocument( 
&   String^ SourceDoc,
&   String^ DestDoc,
&   int ChildCount,
&   String^% FromChildren,
&   String^% ToChildren,
&   int Option
)