C# 打印 lable 和 picturebox

Question

如何实现 混打并且图像尽可能的清晰，位置相对固定！

Answer 1

使用RDLC进行打印？ 还是怎么

Answer 2

[System.Runtime.InteropServices.DllImport("gdi32.dll")]
        public static extern long BitBlt(IntPtr hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, int dwRop);
        ArrayList arry;
        ArrayList arry2;
        Bitmap memoryImage;
        private void Form1_Load(object sender, EventArgs e)
        {
            arry = new ArrayList();
            arry2 = new ArrayList();
            printDocument1.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(printDocument1_PrintPage);
            panel1.Paint += new PaintEventHandler(panel1_Paint);
        }        void panel1_Paint(object sender, PaintEventArgs e)
        {
            for (int i = 0; i < arry.Count; i++)
            {
                e.Graphics.DrawImage(((Bitmap)arry[i]), ((Point)arry2[i]));
            }
        }        void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {            
            
            e.Graphics.DrawImage(memoryImage,0,0);
        }        /// <summary>
        /// 生成图像
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            Size s = panel1.Size;
            Graphics mygraphics;
            Graphics memoryGraphics;
            IntPtr dc1;
            IntPtr dc2;
            
            //为容器内的所有控件生成图像
            foreach (Control c in panel1.Controls)
            {                mygraphics = c.CreateGraphics();
                s = c.Size;
                memoryImage = new Bitmap(s.Width, s.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
                memoryGraphics = Graphics.FromImage(memoryImage);
                dc1 = mygraphics.GetHdc();
                dc2 = memoryGraphics.GetHdc();
                BitBlt(dc2, 0, 0, c.ClientRectangle.Width, c.ClientRectangle.Height, dc1, 0, 0, 13369376);
                mygraphics.ReleaseHdc(dc1);
                memoryGraphics.ReleaseHdc(dc2);
                arry.Add(memoryImage);
                Point p = new Point(c.Location.X,c.Location.Y);
                arry2.Add(p);
            }
            this.Refresh();
            mygraphics = panel1.CreateGraphics();
            s = panel1.Size;
            memoryImage = new Bitmap(s.Width, s.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
            memoryGraphics = Graphics.FromImage(memoryImage);
            dc1 = mygraphics.GetHdc();
            dc2 = memoryGraphics.GetHdc();
            BitBlt(dc2, 0, 0, panel1.ClientRectangle.Width, panel1.ClientRectangle.Height, dc1, 0, 0, 13369376);
            mygraphics.ReleaseHdc(dc1);
            memoryGraphics.ReleaseHdc(dc2);
        }        /// <summary>
        /// 打印预览
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button3_Click(object sender, EventArgs e)
        {
            printPreviewDialog1.Document = this.printDocument1;
            printPreviewDialog1.Show();        }