vtkDICOMImageReader reader_1 = vtkDICOMImageReader.New() ... vtkDICOMImageReader reader_2 = vtkDICOMImageReader.New() ... List<vtkDICOMImageReader> my_list = new List<vtkDICOMImageReader>() my_list.Add(reader_1) my_list.Add(reader_2) -- Sent from: http://vtk.1045678.n5.nabble.com/VTK-Users-f1224199.html