WPF 创建二维码

/**

 * 创建二维码图片

 */

private ImageSource createQRCode(String content, int width, int height)

{

    EncodingOptions options;//包含一些编码、大小等的设置

    BarcodeWriter write = null;//用来生成二维码，对应的BarcodeReader用来解码

    options = new QrCodeEncodingOptions

    {

        DisableECI = true,

        CharacterSet = "UTF-8",

        Width = width,

        Height = height,

        Margin =

    };

    write = new BarcodeWriter();

    write.Format = BarcodeFormat.QR_CODE;

    write.Options = options;

    Bitmap bitmap = write.Write(content);

    IntPtr ip = bitmap.GetHbitmap();

    BitmapSource bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(

        ip, IntPtr.Zero, Int32Rect.Empty,

        System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());

    DeleteObject(ip);

    return bitmapSource;

}