求 DrawDibDraw在C#的用法，哪位高手有例子

求 DrawDibDraw在C#的用法，谁有例子
求 DrawDibDraw的用法，谁有例子，我总是返回 false
不知道哪里错了
 public Rectangle SrcRect, DstRect;
  IntPtr hdd; //DrawDibOpen()返回的句柄
  //public Control Control;
  public BITMAPINFOHEADER BITMAPINFOHEADER;



  //public IntPtr Handle
  //{
  // get { return this.hdd; }
  //}

  public DrawDib()
  {
  this.SrcRect = this.DstRect = new Rectangle(0, 0, 160, 120);
  }

  public void Open(IntPtr hdc)
  {
  this.hdd = DrawDibOpen();
  showVo s = new showVo();
  BITMAPINFOHEADER = s.IniVideoRender();
  bool b = DrawDibBegin(hdd, hdc, this.DstRect.Width, this.DstRect.Height, ref this.BITMAPINFOHEADER, this.SrcRect.Width, this.SrcRect.Height, 0);
 
  }

public BITMAPINFOHEADER IniVideoRender()
  {
  BITMAPINFOHEADER bmi = new BITMAPINFOHEADER();

  bmi.biCompression = (int)BI.BI_BITFIELDS;//压缩格式
  bmi.biWidth = 320; //以像素为单位的图像宽度*
  bmi.biHeight = 240; //以像素为单位的图像长度*
  bmi.biPlanes = 1;
  bmi.biBitCount = 24;
  bmi.biXPelsPerMeter = 0;
  bmi.biYPelsPerMeter = 0;
  bmi.biClrUsed = 0;
  bmi.biClrImportant = 0;
  bmi.biSizeImage = 230400;//;57600
  bmi.biSize = Marshal.SizeOf(bmi);
  dd = new DrawDib();
  dd.BITMAPINFOHEADER = bmi;
  return bmi;
  //dd.Open();
  //try
  //{
  //}
  //catch { }
  }

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[解决办法]
坐着沙发，帮你顶！
[解决办法]
学习一下,貌似视频好强哟
[解决办法]
ding
[解决办法]
ding