Important Update
:
Here you may get thousands pre-made source code samples for simple implementation in your own programming VB.NET projects. ByteScout Cloud API Server was made to help with PDF to text API in VB.NET. ByteScout Cloud API Server is the ready to deploy Web API Server that can be deployed in less than thirty minutes into your own in-house Windows server (no Internet connnection is required to process data!) or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using built-in ByteScout powered engine, no cloud services are used to process your data!.
Save time on writing and testing code by using the code below and use it in your application. Follow the steps-by-step instructions from the scratch to work and copy and paste code for VB.NET into your editor. Updated and detailed documentation and tutorials are available along with installed ByteScout Cloud API Server if you’d like to learn more about the topic and the details of the API.
If you want to try other samples for VB.NET then free trial version of ByteScout Cloud API Server is available on our website.
On-demand (REST Web API) version:
Web API (on-demand version)
On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)
Imports System.IO
Imports System.Net
Imports Newtonsoft.Json.Linq
' Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost".
' If it's not then please replace this with with your hosting url.
Module Module1
' Direct URL of source PDF file.
Const SourceFileUrl As String = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-text/sample.pdf"
' Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
const Pages as String = ""
' PDF document password. Leave empty for unprotected documents.
const Password As string = ""
' Destination TXT file name
const DestinationFile as string = ".\result.txt"
' Sample profile that sets advanced conversion options
' Advanced options are properties of TextExtractor class from ByteScout Text Extractor SDK used in the back-end:
' https://cdn.bytescout.com/help/BytescoutPDFExtractorSDK/html/8a2bae5a-346f-8338-b5aa-6f3522dca0d4.htm
ReadOnly Profiles = File.ReadAllText("profile.json")
Sub Main()
' Create standard .NET web client instance
Dim webClient As WebClient = New WebClient()
' Prepare URL for `PDF To TXT` API call
Dim query As String = Uri.EscapeUriString(String.Format(
"https://localhost/pdf/convert/to/text?name={0}&password={1}&pages={2}&url={3}&profiles={4}",
Path.GetFileName(DestinationFile),
Password,
Pages,
SourceFileUrl,
Profiles))
Try
' Execute request
Dim response As String = webClient.DownloadString(query)
' Parse JSON response
Dim json As JObject = JObject.Parse(response)
If json("error").ToObject(Of Boolean) = False Then
' Get URL of generated TXT file
Dim resultFileUrl As String = json("url").ToString()
' Download TXT file
webClient.DownloadFile(resultFileUrl, DestinationFile)
Console.WriteLine("Generated TXT file saved as ""{0}"" file.", DestinationFile)
Else
Console.WriteLine(json("message").ToString())
End If
Catch ex As WebException
Console.WriteLine(ex.ToString())
End Try
webClient.Dispose()
Console.WriteLine()
Console.WriteLine("Press any key...")
Console.ReadKey()
End Sub
End Module
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" />
</packages>
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples