高級打字工!!!

        /// 將Canvas轉存成圖片檔
        public System.Drawing.Image ExportingToImage(Canvas canvas, string sFile)
        {

            GlobalFunction.ExportingToPNG(sFile, canvas);
            //將Canvas轉成byte[]
            byte[] bytes = File.ReadAllBytes(sFile);
            //在透過MemoryStream物件轉成System.Drawing.Image物件
            MemoryStream ms = new MemoryStream(bytes);
            System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
            ms.Close();
            return img;
        }


        // 將Canvas轉成至PNG檔
        public static void ExportingToPNG(string sPath, Canvas canvas)
        {
            if (canvas == null) return;
            //建立起點陣圖轉換物件
            RenderTargetBitmap renderBitmap = new RenderTargetBitmap(
                (int)canvas.Width,
                (int)canvas.Height,
                100d,
                100d,
                PixelFormats.Pbgra32);
            //制定被轉換的物件
            renderBitmap.Render(canvas);
            //建立串流
            using (FileStream fs = new FileStream(sPath, FileMode.Create))
            {
                //建立PNG編碼器
                PngBitmapEncoder encoder = new PngBitmapEncoder();
                encoder.Frames.Add(BitmapFrame.Create(renderBitmap));
                //點陣圖編碼透過串流存成檔案
                encoder.Save(fs);
            }
        }

	//主程式
		int x = 1, y = 10;

                //取得Temp檔路徑
                string sFile = System.IO.Path.GetTempFileName();
                //將Canvas及剛取得的Temp路徑傳入,將會將Canvas傳回Image
                System.Drawing.Image img = this.ExportingToImage(Route.CanvasGround, sFile);
                //取得一個Range,來制定Insert Image to Excel的位置
                Microsoft.Office.Interop.Excel.Range rangeTemp = ws.get_Range((Microsoft.Office.Interop.Excel.Range)ws.Cells[x, y], (Microsoft.Office.Interop.Excel.Range)ws.Cells[x, y]);
                float PicLeft, PicTop;

                //設定圖片放置的座標點
                PicLeft = Convert.ToSingle(rangeTemp.Left) + 2;
                PicTop = Convert.ToSingle(rangeTemp.Top) + 1;
                System.Windows.Forms.Clipboard.SetDataObject(img, true);
                //取得該Sheet  Pictures的集合物件
                Pictures pics = (Pictures)ws.Pictures(misValue);
                //將Image  Insert to 到 Pictures 集合中, 並回傳該Image的Picture物件
                Picture pic = pics.Insert(sFile, misValue);
                //設定Picture的座標及大小
                pic.Top = PicTop;
                pic.Left = PicLeft;
                pic.Width = img.Width * 6 / 10;
                pic.Height = img.Height * 6 / 10;