Biegral Blog

 //用到的三个控件分别是 printDocument（区域） 、printPreviewDialog（预览）、（pageSetupDialog设置）
        protected void Init()
        {            
            this.printDocument1.OriginAtMargins = true; //启用页边距

            this.printPreviewDialog1.Document = this.printDocument1;

            this.pageSetupDialog1.Document = this.printDocument1;

            this.labPrintTime.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
        }
 /// <summary>
        /// 设置打印区域  核心
        /// </summary>
        private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            //打印区域为GroupBox中的内容

            int width = this.groupBox1.Width;
            int height = this.groupBox1.Height;

            Bitmap bitmap = new Bitmap(width, height);
            this.groupBox1.DrawToBitmap(bitmap, new Rectangle(0, 0, width, height));
            e.Graphics.DrawImage(bitmap, 0, 0, width, height);
        }

        /// <summary>
        /// 打印预览
        /// </summary>
        private void btnPrintView_Click(object sender, EventArgs e)
        {
            DialogResult dr = this.printPreviewDialog1.ShowDialog();

            if (dr == System.Windows.Forms.DialogResult.OK)
            {
                this.printDocument1.Print();
            }
        }

        /// <summary>
        /// 打印设置
        /// </summary>
        private void btnPrintSetting_Click(object sender, EventArgs e)
        {
            this.pageSetupDialog1.ShowDialog();
        }