This sample project implements the class MultipagePrintDocument that inherits from System.Drawing.Printing.PrintDocument to print multiple pages of a document per sheet.

Windows Forms: Printing multiple pages per sheet

The constructor of MultipagePrintDocument accepts an instance of TXTextControl.TextControl that is used to create the page thumbnails in the printing process, the number of pages per sheet and a boolean value to specify whether the light gray border should be printed or not between the pages.

** MultipagePrintDocument class
class MultipagePrintDocument : PrintDocument
** Constructor
** description: Initializes the private data fields
public MultipagePrintDocument(TXTextControl.TextControl textControl,
PagePerSheet pagesPerSheet,
bool drawPageBorders)
if (textControl == null)
throw new ArgumentNullException(
"An object of type TXTextControl.TextControl must be defined.");
m_textControl = textControl;
m_pagesPerSheet = pagesPerSheet;
m_drawPageBorders = drawPageBorders;

The OnBeginPrint method is overridden to check for specified PrinterSettings:

** OnBeginPrint
** description: This method overrides the standard
** OnBeginPrint method and sets the from
** and to page values
** parameters: standard PrintEventArgs
protected override void OnBeginPrint(PrintEventArgs e)
// if PrinterSettings have been specified, check the print ranges
switch (PrinterSettings.PrintRange)
case PrintRange.AllPages:
m_currentPage = 0;
m_toPage = m_textControl.Pages - 1;
case PrintRange.SomePages:
m_currentPage = PrinterSettings.FromPage - 1;
m_toPage = PrinterSettings.ToPage - 1;
throw new InvalidOperationException("This print range is not valid.");
// switch the page size values based on the page orientation
m_paperSize = (PrinterSettings.DefaultPageSettings.Landscape) ?
new Size(
PrinterSettings.DefaultPageSettings.PaperSize.Width) :
new Size(

The overridden method OnPrintPage contains the main logic and controls the printing process. Based on the specified number of pages, the width and height of the available columns and rows per sheet are calculated and for each page, a thumbnail image is created using TX Text Control's GetImage method. The image is scaled to the width of the defined columns to create a multipage document.

Finally, the created Metafile images are rendered on the Graphics object of each page in the PrintDocument.

** OnPrintPage
** description: This method overrides the standard
** OnPrintPage method and implements the
** rendering of more pages on a single
** sheet
** parameters: standard PrintPageEventArgs
protected override void OnPrintPage(PrintPageEventArgs e)
// set the internal unit to point to be compatible with Text Control's units
e.Graphics.PageUnit = GraphicsUnit.Point;
// retrieve the thumbnail rows and columns for selected number of pages
ThumbnailGrid szThumbnailValuePair = GetThumbnailValuePair(m_pagesPerSheet);
// set the thumbnail size (page size divided by number of cols / rows)
SizeF szfThumbnailSize = new SizeF(
HundredthsOfAnInchToPoint(m_paperSize.Width) / szThumbnailValuePair.Columns,
HundredthsOfAnInchToPoint(m_paperSize.Height) / szThumbnailValuePair.Rows);
// get the last thumbnail page that is printed on the current page
int iLastPage = Math.Min(m_currentPage + (int)m_pagesPerSheet - 1, m_toPage);
// iterate through the selected pages
for (int iCurrentPage = m_currentPage; iCurrentPage <= iLastPage; iCurrentPage++) {
// get the page from TextControl
TXTextControl.Page txPage = m_textControl.GetPages()[iCurrentPage + 1];
// get the current row and column
int iCurrentColumn;
int iCurrentRow = Math.DivRem(iCurrentPage - m_currentPage,
szThumbnailValuePair.Columns, out iCurrentColumn);
PointF pfThumbnailLocation = new PointF(
iCurrentColumn * szfThumbnailSize.Width,
iCurrentRow * szfThumbnailSize.Height);
// create the Metafile image from current page in TextControl
// using the Pages collection
Metafile mfPageImage = txPage.GetImage(TXTextControl.Page.PageContent.All);
// calculate the scale factor
float fScaleFactor =
(m_textControl.Sections[txPage.Section].Format.Landscape == true) ?
(szfThumbnailSize.Width / txPage.Bounds.Width) :
(szfThumbnailSize.Height / txPage.Bounds.Height);
// draw the Text Control page onto the existing PrintDocument Graphics
// at the calculated location and size
e.Graphics.DrawImage(mfPageImage, new RectangleF(pfThumbnailLocation.X,
txPage.Bounds.Width * fScaleFactor,
txPage.Bounds.Height * fScaleFactor));
// print page borders
if (m_drawPageBorders)
// more pages?
m_currentPage = m_currentPage + (int)m_pagesPerSheet;
e.HasMorePages = (m_currentPage <= m_toPage);

The method GetThumbnailValuePair returns the required grid size based on the given number of pages per sheet:

** GetThumbnailValuePair
** description: Returns a ThumbnailGrid value pair based
** on the enum value 'PagePerSheet'
** parameters: enum PagePerSheet pagesPerSheet
private ThumbnailGrid GetThumbnailValuePair(PagePerSheet pagesPerSheet)
ThumbnailGrid szColRowSize;
// return the number of rows and columns as a ThumbnailGrid value pair
switch (pagesPerSheet)
case PagePerSheet.EightByFour: szColRowSize = new ThumbnailGrid(8, 4); break;
case PagePerSheet.FourByFour: szColRowSize = new ThumbnailGrid(4, 4); break;
case PagePerSheet.ThreeByThree: szColRowSize = new ThumbnailGrid(3, 3); break;
case PagePerSheet.FourByTwo: szColRowSize = new ThumbnailGrid(4, 2); break;
case PagePerSheet.ThreeByTwo: szColRowSize = new ThumbnailGrid(3, 2); break;
case PagePerSheet.TwoByTwo: szColRowSize = new ThumbnailGrid(2, 2); break;
case PagePerSheet.TwoByOne: szColRowSize = new ThumbnailGrid(2, 1); break;
default: szColRowSize = new ThumbnailGrid(1, 1); break;
// if landscape, switch the values
if (m_paperSize.Width < m_paperSize.Height)
return new ThumbnailGrid(szColRowSize.Rows, szColRowSize.Columns);
return szColRowSize;

This code shows how to call the MultipagePrintDocument and how to open a PrintPreviewDialog with the results:

// create a new instance of the MultipagePrintDocument
MultipagePrintDocument mpPrintDocument = new MultipagePrintDocument(
// use a PrintPreviewDialog to preview the created PrintDocument
PrintPreviewDialog dlg = new PrintPreviewDialog();
dlg.Document = mpPrintDocument;
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