[C#源码VS2003]一个GDI+示例简单实例高手不要看--浪费时间

using  System;
using  System.Drawing;
using  System.Collections;
using  System.ComponentModel;
using  System.Windows.Forms;
using  System.Data;

namespace  xc_test
... {
    /**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    ...{
        private System.Windows.Forms.PrintPreviewDialog printPreviewDialog1;
        private System.Drawing.Printing.PrintDocument printDocument1;
        private System.Windows.Forms.Button button1;
        /**//// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1()
        ...{
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }

        /**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
        /**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        ...{
            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
            this.printPreviewDialog1 = new System.Windows.Forms.PrintPreviewDialog();
            this.printDocument1 = new System.Drawing.Printing.PrintDocument();
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // printPreviewDialog1
            // 
            this.printPreviewDialog1.AutoScrollMargin = new System.Drawing.Size(0, 0);
            this.printPreviewDialog1.AutoScrollMinSize = new System.Drawing.Size(0, 0);
            this.printPreviewDialog1.ClientSize = new System.Drawing.Size(400, 300);
            this.printPreviewDialog1.Document = this.printDocument1;
            this.printPreviewDialog1.Enabled = true;
            this.printPreviewDialog1.Icon = ((System.Drawing.Icon)(resources.GetObject("printPreviewDialog1.Icon")));
            this.printPreviewDialog1.Location = new System.Drawing.Point(17, 17);
            this.printPreviewDialog1.MinimumSize = new System.Drawing.Size(375, 250);
            this.printPreviewDialog1.Name = "printPreviewDialog1";
            this.printPreviewDialog1.TransparencyKey = System.Drawing.Color.Empty;
            this.printPreviewDialog1.Visible = false;
            // 
            // printDocument1
            // 
            this.printDocument1.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(this.printDocument1_PrintPage);
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(160, 88);
            this.button1.Name = "button1";
            this.button1.TabIndex = 0;
            this.button1.Text = "button1";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(568, 266);
            this.Controls.Add(this.button1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);

        }
        #endregion

        /**//// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        ...{
            Application.Run(new Form1());
        }

        private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        ...{
            Font fText = new Font( "宋体", 9 ); // 文本字体
            Graphics g = e.Graphics;
            Rectangle R1 = new Rectangle( 10, 10, 400,  20 );
            g.DrawRectangle( Pens.Black, R1 );
            g.DrawLine( Pens.Black, new Point( R1.X + R1.Width * 1 / 2, R1.Y ), new Point( R1.X + R1.Width * 1 /  2, R1.Y + R1.Height ) );
            g.DrawString( "国庆节去那玩？",  fText, Brushes.Black, R1.X + 1, R1.Y + 3 );  
            g.DrawString( "回家去！",  fText, Brushes.Black, R1.X + R1.Width * 1 / 2+ 1, R1.Y + 3 );              
        }

        private void button1_Click(object sender, System.EventArgs e)
        ...{
            this.printPreviewDialog1.ShowDialog();
        }
    }
}