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How to convert image to PDF using C# and VB.NET

Platform: WinForms |
Control: PDF |
Published Date: October 17, 2018 |
Last Revised Date: April 17, 2019

Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can convert PDF documents from multiple image formats like Raster images (BMP, JPEG, GIF, PNG, TIFF, ICO, ICON) and Vector images (EMF only, EMF plus, EMF plus dual, WMF) in C# and VB.NET.

Steps to draw image on PDF programmatically:

  1. Create a new C# console application project. creation of console application project
  2. Install the Syncfusion.Pdf.WinForms NuGet packages as reference to your .NET Framework application from NuGet.org. NuGet package reference
  3. 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

 

  1. Use the following code snippet to create PDF and draw image.

C#

//Create a new PDF document
PdfDocument doc = new PdfDocument();
//Add a page to the document
PdfPage page = doc.Pages.Add();
//Get page size to draw image which fits the page
SizeF pageSize = page.GetClientSize();
//Create PDF graphics for the page
PdfGraphics graphics = page.Graphics;
//Load the image from the disk
PdfBitmap image = new PdfBitmap("Autumn Leaves.jpg");
//Draw the image
graphics.DrawImage(image, new RectangleF(0,0, pageSize.Width, pageSize.Height));
//Save the document
doc.Save("OutputImage.pdf");
//Close the document
doc.Close(true);
//This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("OutputImage.pdf");

 

VB.NET

'Create a new PDF document
Dim doc As New PdfDocument()
'Add a page to the document
Dim page As PdfPage = doc.Pages.Add()
'Getting page size to draw the image which fits the page 
Dim pageSize As SizeF = page.GetClientSize()
'Create PDF graphics for the page
Dim graphics As PdfGraphics = page.Graphics
'Load the image from the disk
Dim image As New PdfBitmap("Autumn Leaves.jpg")
'Draw the image
graphics.DrawImage(image, New RectangleF(0, 0, pageSize.Width, pageSize.Height))
'Save the document
doc.Save("OutputImage.pdf")
'Close the document
doc.Close(True)
'This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("OutputImage.pdf")

 

A complete working sample can be downloaded from ImageToPDFSample.zip

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

 

Take a moment to peruse the documentation for working with images, where you will find other options like inserting, replacing image in PDF document, image pagination and image masking.

An online sample link demonstrating the use of Inserting images in PDF.

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

Note:

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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