Visual C#.NET: Convert Image to Byte Array

How to convert image to byte array using C#.NET
In some situation, developers need to convert image to byte array or convert byte array to image according to their needs. Yiigo.Image for .NET provides easy-to-use sample code to achieve this goal. Find more document & image conversion information on Yiigo.Imaging for .NET Conversion Support.
Yiigo.Image for .NET Conversion SDK has those following functionalities:
This document provides comprehensive Visual C#.NET samples for guiding developers to convert Word to image using Yiigo.Image for .NET. Find more document & image conversion tutorials on Convert Image to Byte Array in VB.NET, Web Imaging Viewer Image to Byte Array Conversion Support and Convert Image to Byte Array in .NET Winforms.
Convert Image to Byte Array with C#.NET Sample Code


If you want to convert image to byte array in Visual C#.NET, make sure that you have installed.
  • Operating systems - Windows 7, Windows Vista, and Windows XP, etc
  • Compatible with .NET framework 2.0 and above versions
  • Support Visual Studio 2005, 2010 and other .NET development environments
  • Yiigo.Image for .NET installation

Start to Convert

  • Open and run your Microsoft Visual Studio;
  • Choose either "Visual C# Projects" in "New Project" dialog box;
  • Choose "Windows Application" in the "Templates" List and name it "YiigoImagingeConversionCsharp";
  • Right-click on the "References" folder, and select "Add Reference..." from the context menu in the "Solution Explorer" window;
  • In the "Add Reference" dialog box, select the ".NET" tab and browse to Yiigo.Imaging.Net.dll library;
  • Add it to your Visual C# applications;
  • Call Yiigo .NET Image Namespace & Copy those following codes:
using System.IO;
using System.Drawing.Printing;
using Yiigo.Imaging;
using Yiigo.Imaging.Processing;
using Yiigo.Imaging.Conversion;

using YiigoImage Image = new YiigoImage();
// Convert image to byte array

public void ConversionImagetoByte();
MemoryStream image = new MemoryStream();
ImageID.Save(image, System.Drawing.Imaging.ImageFormat.Png);
return ms.ToByte();
public void ConversionImagetoByte(System.Drawing.Image, ImageID);

// Convert byte array to image
public void ConversionBytetoImage();
MemoryStream image = new MemoryStream(ByteArrayID);
Image returnImage = Image.FromStream(image);
return returnImage;
public Image ConversionBytetoImage(ByteArrayID);
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