using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Demo
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            ////打印内容 为 局部的 this.groupBox1
            Bitmap _NewBitmap = new Bitmap(190, 153);
            groupBox1.DrawToBitmap(_NewBitmap, new Rectangle(0, 0, 190, 153));
            e.Graphics.DrawImage(_NewBitmap, 0, 0, 190, 153);

        }
        private void Form2_Load(object sender, EventArgs e)
        {
            try
            {
                if (this.printDialog1.ShowDialog() == DialogResult.OK)
                {
                    printDocument1.DefaultPageSettings.Landscape = false;

                    this.printDocument1.Print();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                this.Close();
            }
        }
    }
}