How to set the page margin in a PDF using C# and VB.NET?
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:
- Create a new C# console application project.
- Install the Syncfusion.Pdf.WinForms NuGet package as reference to your .NET Framework application from NuGet.org.
- Include the following namespaces in Program.cs file.
C#
using Syncfusion.Pdf; using Syncfusion.Pdf.Graphics; using System.Drawing;
VB.NET
Imports Syncfusion.Pdf Imports Syncfusion.Pdf.Graphics Imports System.Drawing
- Use the following code snippet to set the page margin in PDF document.
C#
//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
document.Save("Margin.pdf");
//Close the docuemnt
document.Close(true);
//This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("Margin.pdf");
VB.NET
'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
document.Save("Margin.pdf")
'Close the document
document.Close(True)
'This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("Margin.pdf")
A complete working sample can be downloaded from PageMarginSample.zip.
By executing the program, you will get the PDF document as follows. 
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.
Conclusion
I hope you enjoyed learning about how to set the page margin in a PDF using C# and VB.NET.
You can refer to our WinForms PDF feature tour page to know about its other groundbreaking feature representations. You can also explore our documentation to understand how to create and manipulate data.
For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.
If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, Direct-Trac, or feedback portal. We are always happy to assist you!
