How to change the orientation of the PDF document?
Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can change the orientation of the PDF document using the C# and VB.NET.
Steps to change the orientation of the PDF document programmatically
- Create a new C# windows forms application project.
- Install the Syncfusion.Pdf.WinForms NuGet package as a reference to your .NET Framework application from the NuGet.org.
- Include the following namespaces in the Program.cs file.
C#
using Syncfusion.Pdf; using Syncfusion.Pdf.Graphics;
VB.NET
Imports Syncfusion.Pdf Imports Syncfusion.Pdf.Graphics |
- Use the following code snippet to change the orientation of the PDF document.
C#
//Create a new document. PdfDocument document = new PdfDocument();
// Setting Page Orientation document.PageSettings.Orientation = PdfPageOrientation.Landscape;
//Add a page PdfPage page = document.Pages.Add();
//Create Pdf graphics for the page PdfGraphics graphics = page.Graphics;
//Create a solid brush PdfBrush brush = new PdfSolidBrush(Color.Black);
//Set the font float fontSize = 20f; PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, fontSize);
//Draw the text graphics.DrawString("Hello world!", font, brush, new PointF(20, 20));
//Save the document document.Save("Sample.pdf");
//Close the document document.Close(true); |
VB.NET
'Create a new PDF document Dim document As PdfDocument = New PdfDocument
' Setting Page Orientation document.PageSettings.Orientation = PdfPageOrientation.Landscape
'Add a new page Dim page As PdfPage = document.Pages.Add
‘Create Pdf graphics for the page Dim graphics As PdfGraphics = page.Graphics
‘Create a solid brush Dim brush As PdfBrush = New PdfSolidBrush(Color.Black)
‘Set the font Dim fontSize As Single = 20.0 Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Helvetica, fontSize)
'Draw the text graphics.DrawString("Hello world!", font, brush, New PointF(20, 20))
‘Save the document document.Save("Sample.pdf")
‘Close the document document.Close(true) |
A complete working sample can be downloaded from PageOrientation.zip.
By executing the program, you will get the output document as follows.
Take a moment to peruse the documentation, where you can create a PDF document with different page orientation (portrait and landscape) for alternate pages by using the PdfPageOrientation.
An online sample link to different page orientations.
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 the NuGet feed, include a license key in your product. Refer to the link to learn about generating and registering the Syncfusion license key in your application to use the components without trail message.
