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How to create and display a PDF file in WPF PDFViewer control without saving the file into disk?

Platform: WPF |
Control: PdfViewer |
Published Date: May 4, 2018 |
Last Revised Date: July 28, 2021
Tags: wpf, pdfviewer

You can create a PDF file and load it into WPF PDFViewer control. Refer the following code snippet.

C#

//Create a new PDF document
PdfDocument document = new PdfDocument();
 
//Add a page to the document
PdfPage page = document.Pages.Add();
 
//Create PDF graphics for the page
PdfGraphics graphics = page.Graphics;
 
//Set the standard font
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 20);
 
//Draw the text
graphics.DrawString("Hello World!!!", font, PdfBrushes.Black, new PointF(0, 0));
 
//Save the document to Stream
Stream fileStream = new MemoryStream();
document.Save(fileStream);
 
//Close the document
document.Close(true);
 
fileStream.Position = 0;
 
// Load the PDF file stream
pdfViewer.Load(fileStream);

View sample in GitHub.

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