/// <summary>

        /// 显示比对不同点的位置

        /// </summary>

        public void showDiffImage()

        {

            //在此处弹出不一样图

            Bitmap newMap = Utils.DrawRectangleInPicture(showDiffMap, new Point(draw_x, draw_y), new Point(draw_x + 30, draw_y + 30), Color.Red, 2, 0);

            if (newMap is Image)

            {

                int sizeX = newMap.Size.Width + 10;

                int sizeY = newMap.Size.Height + 10;

                ImageShow imageShow = new ImageShow();

                imageShow.Size = new Size(sizeX, sizeY);

                Image image = (Image)newMap;

                imageShow.BackgroundImage = image;

                imageShow.TopMost = true;

                imageShow.ShowDialog();

            }

        }