/// <summary>
    /// The main entry method called by the CSharp driver
    /// </summary>
    /// <param name="argv"></param>
    public static void AVTestPolygonWriters(String [] argv)
    {
        //Prefix Content is: ""

          // Create the RenderWindow, Renderer and both Actors[]
          //[]
          ren1 = vtkRenderer.New();
          renWin = vtkRenderWindow.New();
          renWin.AddRenderer((vtkRenderer)ren1);
          iren = new vtkRenderWindowInteractor();
          iren.SetRenderWindow((vtkRenderWindow)renWin);
          // read data[]
          //[]
          input = new vtkPolyDataReader();
          input.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/brainImageSmooth.vtk");
          //[]
          // generate vectors[]
          clean = new vtkCleanPolyData();
          clean.SetInputConnection((vtkAlgorithmOutput)input.GetOutputPort());
          smooth = new vtkWindowedSincPolyDataFilter();
          smooth.SetInputConnection((vtkAlgorithmOutput)clean.GetOutputPort());
          smooth.GenerateErrorVectorsOn();
          smooth.GenerateErrorScalarsOn();
          smooth.Update();
          mapper = vtkPolyDataMapper.New();
          mapper.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          mapper.SetScalarRange((double)((vtkDataSet)smooth.GetOutput()).GetScalarRange()[0],
          (double)((vtkDataSet)smooth.GetOutput()).GetScalarRange()[1]);
          brain = new vtkActor();
          brain.SetMapper((vtkMapper)mapper);
          // Add the actors to the renderer, set the background and size[]
          //[]
          ren1.AddActor((vtkProp)brain);
          renWin.SetSize((int)320,(int)240);
          ren1.GetActiveCamera().SetPosition((double)149.653,(double)-65.3464,(double)96.0401);
          ren1.GetActiveCamera().SetFocalPoint((double)146.003,(double)22.3839,(double)0.260541);
          ren1.GetActiveCamera().SetViewAngle((double)30);
          ren1.GetActiveCamera().SetViewUp((double)-0.255578,(double)-0.717754,(double)-0.647695);
          ren1.GetActiveCamera().SetClippingRange((double)79.2526,(double)194.052);
          iren.Initialize();
          renWin.Render();
          // render the image[]
          //[]
          // prevent the tk window from showing up then start the event loop[]
          //[]
          // If the current directory is writable, then test the witers[]
          //[]
          try
          {
         channel = new StreamWriter("test.tmp");
          tryCatchError = "NOERROR";
          }
          catch(Exception)
          {tryCatchError = "ERROR";}

        if(tryCatchError.Equals("NOERROR"))
          {
          channel.Close();
          File.Delete("test.tmp");
          //[]
          //[]
          // test the writers[]
          dsw = new vtkDataSetWriter();
          dsw.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          dsw.SetFileName((string)"brain.dsw");
          dsw.Write();
          File.Delete("brain.dsw");
          pdw = new vtkPolyDataWriter();
          pdw.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          pdw.SetFileName((string)"brain.pdw");
          pdw.Write();
          File.Delete("brain.pdw");
          iv = new vtkIVWriter();
          iv.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          iv.SetFileName((string)"brain.iv");
          iv.Write();
          File.Delete("brain.iv");

          //[]
          // the next writers only handle triangles[]
          triangles = new vtkTriangleFilter();
          triangles.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          iv2 = new vtkIVWriter();
          iv2.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          iv2.SetFileName((string)"brain2.iv");
          iv2.Write();
          File.Delete("brain2.iv");

          edges = new vtkExtractEdges();
          edges.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          iv3 = new vtkIVWriter();
          iv3.SetInputConnection((vtkAlgorithmOutput)edges.GetOutputPort());
          iv3.SetFileName((string)"brain3.iv");
          iv3.Write();
          File.Delete("brain3.iv");

          byu = new vtkBYUWriter();
          byu.SetGeometryFileName((string)"brain.g");
          byu.SetScalarFileName((string)"brain.s");
          byu.SetDisplacementFileName((string)"brain.d");
          byu.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          byu.Write();
          File.Delete("brain.g");
          File.Delete("brain.s");
          File.Delete("brain.d");
          mcubes = new vtkMCubesWriter();
          mcubes.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          mcubes.SetFileName((string)"brain.tri");
          mcubes.SetLimitsFileName((string)"brain.lim");
          mcubes.Write();
          File.Delete("brain.lim");
          File.Delete("brain.tri");
          stl = new vtkSTLWriter();
          stl.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          stl.SetFileName((string)"brain.stl");
          stl.Write();
          File.Delete("brain.stl");
          stlBinary = new vtkSTLWriter();
          stlBinary.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          stlBinary.SetFileName((string)"brainBinary.stl");
          stlBinary.SetFileType((int)2);
          stlBinary.Write();
          File.Delete("brainBinary.stl");
          cgm = new vtkCGMWriter();
          cgm.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          cgm.SetFileName((string)"brain.cgm");
          cgm.Write();
          File.Delete("brain.cgm");
        }

        //deleteAllVTKObjects();
    }
 ///<summary> A Set Method for Static Variables </summary>
 public static void Setcgm(vtkCGMWriter toSet)
 {
     cgm = toSet;
 }