c# vtk 读取dicom文件！

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ClearCanvas.ImageViewer;
using ClearCanvas.ImageViewer.StudyManagement;
using JXDWNav;
using Kitware.VTK;

namespace VTKTest
{
    public partial class 读取CT : Form
    {
        public 读取CT（）
        {
            InitializeComponent（）;
        }

        short[] _dicomAlldata;
        vtkImageMapper mapper;
        string msg;
        vtkRenderWindow window;
        vtkTextMapper sliceTextMapper;
        private void 读取CT_Load（object sender EventArgs e）
        {

           
            
                vtkDICOMImageReader reader = vtkDICOMImageReader.New（）;
                reader.SetFileName（@“D:\GdcmDirectory\106.dcm“）;
                //reader.SetDirectoryName（@“D:\GdcmDirectory\“）;
                reader.Update（）;

                vtkImageData imageData = new vtkImageData（）;
                imageData = reader.GetOutput（）;
          
                FastImageDataFetcherShort _fastImageDataFetcher = new FastImageDataFetcherShort（imageData）;
                _dicomAlldata = _fastImageDataFetcher.GetAllScalar（）;
            
           
                mapper = vtkImageMapper.New（）;
                mapper.SetInput（imageData）;
                //mapper.SetZSlice（100）;
                mapper.SetColorLevel（-400）; 
                mapper.SetColorWindow（1500）;

                vtkTextProperty sliceTextProp = vtkTextProperty.New（）;
                sliceTextProp.SetFontFamilyToCourier（）;
                sliceTextProp.SetFontSize（20）;
                sliceTextProp.SetVerticalJustificationToBottom（）;
                sliceTextProp.SetJustificationToLeft（）;

                sliceTextMapper = vtkTextMapper.New（）;
                msg = string.Format（hScrollBar1.Value + “/“ + mapper.GetWholeZMax（） ““）;
                sliceTextMapper.SetInput（msg）;
                sliceTextMapper.SetTextProperty（sliceTextProp）;


                vtkActor2D sliceTextActor = vtkActor2D.New（）;
                sliceTextActor.SetMapper（sliceTextMapper）;
                sliceTextActor.SetPosition（15 10）;



                vtkActor2D actor = new vtkActor2D（）;
                actor.SetMapper（mapper）;
                actor.SetPosition（100 0）;


                vtkRenderer renderer = vtkRenderer.New（）;
                renderer.AddActor（actor）;
                renderer.AddActor（sliceTextActor）;

                window = vtkRenderWindow.New（）;

                window.SetParentId（pictureBox1.Handle）;
                window.SetSize（pictureBox1.Width pictureBox1.Height）;
                window.AddRenderer（renderer）;
                window.Render（）;
                vtkRenderWindowInteractor renderWindowInteractor = vtkRenderWindowInteractor.New（）;
                rend