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copied!<p>Here is where you are wrong. You call the <code>printDocument1.Print()</code> inside a loop. </p> <p>Try this:</p> <pre><code>public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { PrintDocument pd=new PrintDocument(); int index=0, count=0; pd.BeginPrint+=(s, ev) => { // find page count from form label count=int.Parse(label1.Text); }; pd.PrintPage+=(s, ev) => { // for each page index++; // get form size var size=this.Size; // create bitmap of same size var bmp=new Bitmap(size.Width, size.Height); // draw form into bitmap this.DrawToBitmap(bmp, new Rectangle(Point.Empty, size)); // draw bitmap into graphics, resize to fit paper margins ev.Graphics.DrawImage(bmp, new Rectangle(ev.MarginBounds.Location, ev.MarginBounds.Size)); // create a font and draw on graphics the page number using(var font = new Font(FontFamily.GenericSansSerif, 16f)) { ev.Graphics.DrawString(index.ToString(), font, Brushes.Black, ev.MarginBounds.Location); } // check for final page ev.HasMorePages=index<count; }; pd.EndPrint+=(s, ev) => { // reset count and index index=0; count=0; }; PaperSize paper=new PaperSize("MyCustomSize", 100, 65); paper.RawKind=(int)PaperKind.Custom; // set paper size pd.DefaultPageSettings.PaperSize=paper; // set paper margins appropriately pd.DefaultPageSettings.Margins=new Margins(10, 10, 10, 10); // call up the print preview dialog to see results PrintPreviewDialog dlg=new PrintPreviewDialog(); dlg.Document=pd; dlg.ShowDialog(); } } </code></pre> <p>with a simple form like this:</p> <p><img src="https://i.stack.imgur.com/zKhPw.png" alt="Form"></p> <p>the <strong>only</strong> button creates a 10 page document like this:</p> <p><img src="https://i.stack.imgur.com/egsj6.png" alt="Printout"></p> <h2>Updated Code</h2> <p>Per the comments below, I changed the printing code to:</p> <pre><code>// get form size var size=groupBox1.Size; // create bitmap of same size var bmp=new Bitmap(size.Width, size.Height); // draw form into bitmap groupBox1.DrawToBitmap(bmp, new Rectangle(Point.Empty, size)); </code></pre> <p>which grabs only the groupbox for drawing.</p> <p><img src="https://i.stack.imgur.com/ILqsq.png" alt="UpdatedScreen"></p>

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