#region 二维码的要领 /// <summary> /// 注销东西要领API /// </summary> /// <param>筹备注销的东西</param> /// <returns></returns> [DllImport("gdi32")] static extern int DeleteObject(IntPtr obj); /// <summary> /// 生成二维码图形 /// </summary> /// <param>二维码文本内容</param> /// <param>图片宽度</param> /// <param>图片高度</param> /// <returns>二维码图形</returns> private BitmapSource CreateQRCode(string content, int width, int height) { EncodingOptions options; //包罗一些编码、巨细等的设置 //BarcodeWriter :一个智能类来编码一些内容的条形码图像 BarcodeWriter write = null; options = new QrCodeEncodingOptions { DisableECI = true, CharacterSet = "UTF-8", Width = width, Height = height, Margin = 0 }; write = new BarcodeWriter(); //设置条形码格局 write.Format = BarcodeFormat.QR_CODE; //获取或设置选项容器的编码和衬着过程。 write.Options = options; //对指定的内容进行编码，并返回该条码的泛起实例。衬着属性衬着实例使用，必需设置要领挪用之前。 Bitmap bitmap = write.Write(content); IntPtr ip = bitmap.GetHbitmap();//从GDI+ Bitmap创建GDI位图东西 //Imaging.CreateBitmapSourceFromHBitmap要领，基于所供给的非托管位图和调色板信息的指针，，返回一个托管的BitmapSource BitmapSource bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(ip, IntPtr.Zero, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions()); DeleteObject(ip); return bitmapSource; } #endregion