KbtterWPF.TegakiDrawWindow.SendButton_Click C# (CSharp) Method

        private void SendButton_Click(object sender, RoutedEventArgs e)
        {
            var b = new Rect { Width = 640, Height = 480 };
            var bound = MainCanvas.Strokes.GetBounds();
            bound = b;
            var dv = new DrawingVisual();
            var dc = dv.RenderOpen();
            dc.PushTransform(new TranslateTransform(-bound.X, -bound.Y));
            dc.DrawRectangle(MainCanvas.Background, null, bound);
            MainCanvas.Strokes.Draw(dc);
            dc.Close();
            var rtb = new RenderTargetBitmap((int)bound.Width, (int)bound.Height, 96, 96, PixelFormats.Default);
            rtb.Render(dv);
            var enc = new PngBitmapEncoder();
            enc.Frames.Add(BitmapFrame.Create(rtb));
            using (Stream s = File.Create("tegaki/" + fn))
            {
                enc.Save(s);
            }

            var d = new Dictionary<string, Stream>();
            d.Add("image", new FileStream("tegaki/" + fn, FileMode.Open));
            var stx = TweetDesc.Text + " " + (AddHash.IsChecked == true ? "#tdt_kbtter" : "");
            if (IsReply.IsChecked == true)
            {
                long id = long.Parse(ReplyID.Text);
                svc.SendTweetWithMedia(new SendTweetWithMediaOptions { InReplyToStatusId = id, Status = stx, Images = d });
            }
            else
            {
                svc.SendTweetWithMedia(new SendTweetWithMediaOptions { Status = stx, Images = d });
            }

            Close();
        }