public partial class print : Form

    {

        public print()

        {

            InitializeComponent();

            this.printDocument1.OriginAtMargins = true;//启用页边距

            this.pageSetupDialog1.EnableMetric = true; //以毫米为单位





        }



        private void button3_Click(object sender, EventArgs e)   //打印设置

        {

            this.pageSetupDialog1.ShowDialog(); 



        }



        private void button2_Click(object sender, EventArgs e)   //打印

        {

            if (this.printDialog1.ShowDialog() == DialogResult.OK)

            {

                this.printDocument1.Print();

            }



        }



        private void button1_Click(object sender, EventArgs e)   //打印预览

        {

            printDialog1.Document = printDocument1;

            this.printPreviewDialog1.ShowDialog();

            

            

       

        }



        private void printDocument1_PrintPage(object sender, PrintPageEventArgs e)

        {



            ////打印内容 为 整个Form

            //Image myFormImage;

            //myFormImage = new Bitmap(this.Width, this.Height);

            //Graphics g = Graphics.FromImage(myFormImage);

            //g.CopyFromScreen(this.Location.X, this.Location.Y, 0, 0, this.Size);

            //e.Graphics.DrawImage(myFormImage, 0, 0);



            //打印内容 为 局部的 this.groupBox1

  &nbs