This example asks the end user to select a shape to pattern and a cylindrical face, and creates a circular
 pattern of the shape. The cylindrical face specifies the rotation axis.
 
 Dim InputObjectType(0)
 Set Document = CATIA.ActiveDocument
 Set Selection = Document.Selection
 'We propose to the user that he select the shape to pattern
 InputObjectType(0)="SketchBasedShape"
 Status=Selection.SelectElement2(InputObjectType,"Select the shape to pattern",true)
 if (Status = "cancel") then Exit Sub
 Set Shape = Selection.Item(1).Value
 Selection.Clear
 'We propose to the user that he select the cylindrical face
 InputObjectType(0)="CylindricalFace"
 Status=Selection.SelectElement2(InputObjectType,"Select the cylindrical face",true)
 if (Status = "cancel") then Exit Sub
 Set CylindricalFace = Selection.Item(1).Value
 Set RotationCenter = Document.Part.CreateReferenceFromName("")
 Set CircPattern = ShapeFactory.AddNewCircPattern(Shape,1,4,20.0,45.0,1,4,RotationCenter,CylindricalFace,True,0.0,True)
 Document.Part.Update