CreateSelection(ShapeArray() As Variant) c++ example?

 How to use the    CreateSelection(ShapeArray() As Variant)   ????


VGCore::IVGShapePtr s1=m_pApp->ActiveLayer->CreateEllipse2(0, 0, banjing, banjing, 90, 90, false);

VGCore::IVGShapePtr s2=m_pApp->ActiveLayer->CreateEllipse2(0, 0, banjing - Dbl_H_w/25.4, banjing - Dbl_H_w/25.4, 90, 90, false);


m_pApp->ActiveDocument->CreateSelection(????);