The print preview application. : Print PrintDocument : GUI Windows Forms C# Examples

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


public  class  Form1  :  System.Windows.Forms.Form  {
        private  System.Windows.Forms.Button  button1;
        private  System.ComponentModel.Container  components  =  null;
        private  System.Drawing.Printing.PrintDocument  ThePrintDocument  =  null;
        private  System.IO.StringReader  myStringReader  =  null;

        public  Form1()  {
                ThePrintDocument  =  new  System.Drawing.Printing.PrintDocument();
                this.button1  =  new  System.Windows.Forms.Button();
                this.button2  =  new  System.Windows.Forms.Button();
                this.SuspendLayout();
                this.button1.Location  =  new  System.Drawing.Point(112,  352);
                this.button1.Text  =  "&Preview";
                this.button1.Click  +=  new  System.EventHandler(this.button1_Click);
                this.AutoScaleBaseSize  =  new  System.Drawing.Size(5,  13);
                this.ClientSize  =  new  System.Drawing.Size(512,  397);
                this.Controls.AddRange(new  System.Windows.Forms.Control[]  {  this.button1  });
                this.ResumeLayout(false);
        }

        [STAThread]
        static  void  Main()  {
                Application.Run(new  Form1());
        }
        protected  void  PrintPage(object  sender,
                System.Drawing.Printing.PrintPageEventArgs  ev)  {
                float  linesPerPage  =  0;
                float  yPosition  =  0;
                int  count  =  0;
                float  leftMargin  =  ev.MarginBounds.Left;
                float  topMargin  =  ev.MarginBounds.Top;
                string  line  =  null;
                Font  printFont  =  this.Font;
                SolidBrush  myBrush  =  new  SolidBrush(Color.Black);

                linesPerPage  =  ev.MarginBounds.Height  /  printFont.GetHeight(ev.Graphics);
                while  (count  <  linesPerPage  &&  ((line  =  myStringReader.ReadLine())  !=  null))  {
                        yPosition  =  topMargin  +  (count  *  printFont.GetHeight(ev.Graphics));
                        ev.Graphics.DrawString(line,  printFont,  myBrush,  leftMargin,  yPosition,  new  StringFormat());
                        count++;
                }
                if  (line  !=  null)
                        ev.HasMorePages  =  true;
                else
                        ev.HasMorePages  =  false;

                myBrush.Dispose();
        }

        private  void  button1_Click(object  sender,  System.EventArgs  e)  {
                ThePrintDocument.PrintPage  +=  new  System.Drawing.Printing.PrintPageEventHandler(PrintPage);
                string  strText  =  "STRING";
                myStringReader  =  new  System.IO.StringReader(strText);
                PrintPreviewDialog  printPreviewDialog1  =  new  PrintPreviewDialog();
                printPreviewDialog1.Document  =  this.ThePrintDocument;
                printPreviewDialog1.ShowDialog();
        }
}