ByteScout Premium Suite - ASP.NET C# - Extract Images from PDF with PDF Extractor SDK - ByteScout

ByteScout Premium Suite – ASP.NET C# – Extract Images from PDF with PDF Extractor SDK

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How to extract images from PDF with PDF extractor SDK in ASP.NET C# with ByteScout Premium Suite

Learn to code in ASP.NET C# to extract images from PDF with PDF extractor SDK with this step-by-step tutorial

Extract images from PDF with PDF extractor SDK is simple to apply in ASP.NET C# if you use these source codes below. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording and you can use it to extract images from PDF with PDF extractor SDK with ASP.NET C#.

These ASP.NET C# code samples for ASP.NET C# guide developers to speed up coding of the application when using ByteScout Premium Suite. Follow the instructions from scratch to work and copy the ASP.NET C# code. Check ASP.NET C# sample code samples to see if they respond to your needs and requirements for the project.

You can download free trial version of ByteScout Premium Suite from our website with this and other source code samples for ASP.NET C#.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ExtractImages._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> </div> </form> </body> </html>

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Default.aspx.cs
      
using System; using System.Collections.Generic; using System.Drawing.Imaging; using System.IO; using Bytescout.PDFExtractor; namespace ExtractImages { /* IF YOU SEE TEMPORARY FOLDER ACCESS ERRORS: Temporary folder access is required for web application when you use ByteScout SDK in it. If you are getting errors related to the access to temporary folder like "Access to the path 'C:\Windows\TEMP\... is denied" then you need to add permission for this temporary folder to make ByteScout SDK working on that machine and IIS configuration because ByteScout SDK requires access to temp folder to cache some of its data for more efficient work. SOLUTION: If your IIS Application Pool has "Load User Profile" option enabled the IIS provides access to user's temp folder. Check user's temporary folder If you are running Web Application under an impersonated account or IIS_IUSRS group, IIS may redirect all requests into separate temp folder like "c:\temp\". In this case - check the User or User Group your web application is running under - then add permissions for this User or User Group to read and write into that temp folder (c:\temp or c:\windows\temp\ folder) - restart your web application and try again */ public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { String inputFile = Server.MapPath(@".\bin\sample1.pdf"); // Create Bytescout.PDFExtractor.ImageExtractor instance ImageExtractor extractor = new ImageExtractor(); extractor.RegistrationName = "demo"; extractor.RegistrationKey = "demo"; // Load sample PDF document extractor.LoadDocumentFromFile(inputFile); // Array to keep extracted images List<byte[]> extractedImages = new List<byte[]>(); // Initialize image enumeration if (extractor.GetFirstImage()) { do { // Extract image to memory using (MemoryStream memoryStream = new MemoryStream()) { extractor.SaveCurrentImageToStream(memoryStream, ImageFormat.Png); // Keep image as byte array extractedImages.Add(memoryStream.ToArray()); } } while (extractor.GetNextImage()); // Advance image enumeration } // Write first image to the output stream Response.Clear(); Response.ContentType = "image/png"; Response.AddHeader("Content-Disposition", "inline;filename=image.png"); Response.BinaryWrite(extractedImages[0]); Response.End(); } } }

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Default.aspx.designer.cs
      
//------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // Runtime Version:2.0.50727.4952 // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> //------------------------------------------------------------------------------ namespace ExtractAllImages { /// <summary> /// _Default class. /// </summary> /// <remarks> /// Auto-generated class. /// </remarks> public partial class _Default { /// <summary> /// form1 control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.HtmlControls.HtmlForm form1; } }

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Web.config
      
<?xml version="1.0"?> <configuration> <appSettings/> <connectionStrings/> <system.web> <!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. --> <compilation debug="true" /> <!-- The <authentication> section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --> <authentication mode="Windows" /> <!-- The <customErrors> section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> <error statusCode="403" redirect="NoAccess.htm" /> <error statusCode="404" redirect="FileNotFound.htm" /> </customErrors> --> </system.web> </configuration>

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