C#/VB.NET: How to Print Word on a Custom Paper Size

Sometimes you may want to print Word documents in accordance with your own preferences, for instance, print your files on custom paper sizes to make them more personalized. In this article, you will learn how to achieve this function using Spire.Doc for .NET.

Install Spire.Doc for .NET

To begin with, you need to add the DLL files included in the Spire.Doc for .NET package as references in your .NET project. The DLLs files can be either downloaded from this link or installed via NuGet.

  • Package Manager
PM> Install-Package Spire.Doc

Print Word on a Custom Paper Size

The table below shows a list of core classes, methods and properties utilized in this scenario.

Name Description
Document Class Represents a document model for Word.
PaperSize Class Specifies the size of a piece of paper.
PrintDocument Class Defines a reusable object that sends output to a printer, when printing from a Windows Forms application.
PrintDocument.DefaultPageSettings Property Gets or sets page settings that are used as defaults for all pages to be printed.
Document.PrintDocument Property Gets the PrintDocument object.
DefaultPageSettings.PaperSize Property Sets the custom paper size.
Document.LoadFromFile() Method Loads the sample document.
PrintDocument.Print() Method Prints the document.

The following are the steps to print Word on a custom paper size.

  • C#
  • VB.NET
using Spire.Doc;
using System.Drawing.Printing;

namespace PrintWord
{
    class Program
    {
        static void Main(string[] args)
        {
             //Instantiate a Document object.
            Document doc = new Document();

            //Load the document
            doc.LoadFromFile(@"Sample.docx");

            //Get the PrintDocument object
            PrintDocument printDoc = doc.PrintDocument;

            //Customize the paper size
            printDoc.DefaultPageSettings.PaperSize = new PaperSize("custom", 900, 800);

            //Print the document
            printDoc.Print();

        }
    }
}
Imports Spire.Doc
Imports System.Drawing.Printing

Namespace PrintWord
	Class Program
		Private Shared Sub Main(args As String())
			'Instantiate a Document object.
			Dim doc As New Document()

			'Load the document
			doc.LoadFromFile("Sample.docx")

			'Get the PrintDocument object
			Dim printDoc As PrintDocument = doc.PrintDocument

			'Customize the paper size
			printDoc.DefaultPageSettings.PaperSize = New PaperSize("custom", 900, 800)

			'Print the document
			printDoc.Print()

		End Sub
	End Class
End Namespace

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