Creates a new catchment given a name, style id, reference surface id, polyline.
public static ObjectId Create( string name, ObjectId styleId, ObjectId catchmentGroupId, ObjectId surfaceId, Point3dCollection boundary )
Public Shared Function Create ( name As String, styleId As ObjectId, catchmentGroupId As ObjectId, surfaceId As ObjectId, boundary As Point3dCollection ) As ObjectId
public: static ObjectId Create( String^ name, ObjectId styleId, ObjectId catchmentGroupId, ObjectId surfaceId, Point3dCollection^ boundary )