关于发送和接收图片的问题 about dotnet-wechaty HOT 2 CLOSED

        private static string ImgToBase64String(string Imagefilename)
        {
            try
            {
                Bitmap bmp = new Bitmap(Imagefilename);

                MemoryStream ms = new MemoryStream();
                bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
                byte[] arr = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(arr, 0, (int)ms.Length);
                ms.Close();
                String strbaser64 = Convert.ToBase64String(arr);
                return strbaser64;
            }
            catch (Exception ex)
            {
                //LogHelper.Debug(ex);
                return "";
            }
        }


  private static async void WechatyMessageEventListenerAsync(Wechaty.User.Message message)
   {
            if (message.Text == "图片图片")
            {
                var base64 = ImgToBase64String(@"C:\xxx.png");
                var fileBox2 = FileBox.FromBase64(base64, "xx.png");
                await message.Say(fileBox2);
            }

        }