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How to set the page margin in a PDF using C# and VB.NET

Platform: WinForms |
Control: PDF
Tags: pdf, page, margin

Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can set the page margin in PDF using C# and VB.NET.

Steps to set the page margin in PDF programmatically:

  1. Create a new C# console application project. Create a console application project
  2. Install the Syncfusion.Pdf.WinForms NuGet package as reference to your .NET Framework application from NuGet.org. NuGet  package reference screenshot
  3. Include the following namespaces in Program.cs file.


using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using System.Drawing;



Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Graphics
Imports System.Drawing


  1. Use the following code snippet to set the page margin in PDF document.


//Create a PDF document
PdfDocument document = new PdfDocument();
//Set margin to all the pages
document.PageSettings.Margins.All = 50;
//Add a page
PdfPage page = document.Pages.Add();
//Create PDF graphics for the page
PdfGraphics graphics = page.Graphics;
//Creates a solid brush
PdfBrush brush = new PdfSolidBrush(Color.Black);
//Set the font
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 14);
//Draw the text
graphics.DrawString("Hello world!", font, brush, new PointF(20, 20));
//Draw Rectangle
graphics.DrawRectangle(PdfPens.Red, new RectangleF(0, 0, page.GetClientSize().Width, page.GetClientSize().Height));
//Save the document
//Close the docuemnt
//This will open the PDF file so, the result will be seen in default PDF viewer 



'Create a PDF document
Dim document As PdfDocument = New PdfDocument()
'Set margin to all the pages
document.PageSettings.Margins.All = 50
'Add a page
Dim page As PdfPage = document.Pages.Add()
'Create PDF graphics for the page
Dim graphics As PdfGraphics = page.Graphics
'Creates a solid brush
Dim brush As PdfBrush = New PdfSolidBrush(Color.Black)
'Set the font
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Helvetica, 14)
'Draw the text
graphics.DrawString("Hello world!", font, brush, New PointF(20, 20))
'Draw Rectangle
graphics.DrawRectangle(PdfPens.Red, New RectangleF(0, 0, page.GetClientSize().Width, page.GetClientSize().Height))
'Save the document
'Close the document
'This will open the PDF file so, the result will be seen in default PDF viewer 


A complete working sample can be downloaded from PageMarginSample.zip.

By executing the program, you will get the PDF document as follows. Output document screenshot

Take a moment to peruse the documentation, where you can find the options like inserting, rotating, importing, and rearranging the pages from an existing document, removing the pages and splitting a PDF file to individual pages.

Refer here to explore the rich set of Syncfusion Essential PDF features.


Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.


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You must log in to leave a comment
Mike Vaughan Edwards
Sep 24, 2018

In the example the margin is set at 50. 50 what? pixels? cm? I am trying to convert a document from outlook which uses IE and the margin settings are in centimetres. I need to know what units Synfusion uses before I can convert.

Karthikeyan Chandrasekar [Syncfusion]
Sep 26, 2018

The default unit used in Essential PDF is 'Points'.

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