private void DrawAssembly()
{
//Create four parts: a top level assembly and three primitives
vtkSphereSource sphereSource = vtkSphereSource.New();
vtkPolyDataMapper sphereMapper = vtkPolyDataMapper.New();
sphereMapper.SetInputConnection(sphereSource.GetOutputPort());
vtkActor sphereActor = vtkActor.New();
sphereActor.SetMapper(sphereMapper);
sphereActor.SetOrigin(2, 1, 3);
sphereActor.RotateY(6);
sphereActor.SetPosition(2.25, 0, 0);
sphereActor.GetProperty().SetColor(1, 0, 1);
vtkCubeSource cubeSource = vtkCubeSource.New();
vtkPolyDataMapper cubeMapper = vtkPolyDataMapper.New();
cubeMapper.SetInputConnection(cubeSource.GetOutputPort());
vtkActor cubeActor = vtkActor.New();
cubeActor.SetMapper(cubeMapper);
cubeActor.SetPosition(0, 2.25, 0);
cubeActor.GetProperty().SetColor(0, 0, 1);
vtkConeSource coneSource = vtkConeSource.New();
vtkPolyDataMapper coneMapper = vtkPolyDataMapper.New();
coneMapper.SetInputConnection(coneSource.GetOutputPort());
vtkActor coneActor = vtkActor.New();
coneActor.SetMapper(coneMapper);
coneActor.SetPosition(0, 0, 2.25);
coneActor.GetProperty().SetColor(0, 1, 0);
vtkCylinderSource cylinderSource = vtkCylinderSource.New();
vtkPolyDataMapper cylinderMapper = vtkPolyDataMapper.New();
cylinderMapper.SetInputConnection(cylinderSource.GetOutputPort());
vtkActor cylinderActor = vtkActor.New();
cylinderActor.SetMapper(cylinderMapper);
//cylinderActor.SetPosition(0, 0, 0);
cylinderActor.GetProperty().SetColor(1, 0, 0);
vtkAssembly assembly = vtkAssembly.New();
assembly.AddPart(cylinderActor);
assembly.AddPart(sphereActor);
assembly.AddPart(cubeActor);
assembly.AddPart(coneActor);
assembly.SetOrigin(5, 10, 5);
assembly.AddPosition(5, 0, 0);
assembly.RotateX(15);
vtkRenderer renderer = vtkRenderer.New();
vtkRenderWindow renWin = myRenderWindowControl.RenderWindow;
renWin.AddRenderer(renderer);
renderer.AddActor(assembly);
renderer.AddActor(coneActor);
}