//图形转换  Bitmap=>Image        private System.Windows.Controls.Image Bitmap2Image(System.Drawing.Bitmap Bi)        {            MemoryStream ms = new MemoryStream();            Bi.Save(ms, System.Drawing.Imaging.ImageFormat.Png);            BitmapImage bImage = new BitmapImage();            bImage.BeginInit();            bImage.StreamSource = new MemoryStream(ms.ToArray());            bImage.EndInit();            ms.Dispose();            Bi.Dispose();            System.Windows.Controls.Image i = new System.Windows.Controls.Image();            i.Source = bImage;            return i;        }　　　　 //ImageSource给WPF的Image控件设置图片地址        private System.Windows.Media.ImageSource ConvertDrawingImage2MediaImageSource(System.Drawing.Image image)        {            var ms = new MemoryStream();            var bitmap = new System.Windows.Media.Imaging.BitmapImage();            bitmap.BeginInit();            image.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);            ms.Seek(0, System.IO.SeekOrigin.Begin);            bitmap.StreamSource = ms;            bitmap.EndInit();            return bitmap;        }        //将16进制字符串转成Byte[]，这样可以使用MemoryStream来构建图片        private byte[] strToToHexByte(string hexString)        {            hexString = hexString.Replace(" ", "");            if ((hexString.Length % 2) != 0)                hexString += " ";            byte[] returnBytes = new byte[hexString.Length / 2];            for (int i = 0; i < returnBytes.Length; i++)                returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);            return returnBytes;        }