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PDF417 Barcode Encoder Class Library and Demo App Ver. 2.2

by Uzi Granot

The PDF417 barcode encoder class library is written in C#. The target framework is .NET Framework (net462) and .NET Standard (netstandard2.0). The encoder library allows you to create a PDF417 barcode image from a text string or a binary (byte) array. Two demo/test applications are included.

PDF417 Barcode Decoder .NET Class Library and Two Demo Apps

by Uzi Granot

The PDF417 barcode decoder class library allows you to extract PDF417 barcode information from image files. The library is written in C# for the .NET framework. The two demo projects allows you to explore the library and read PDF417 barcodes.

Capturing Customer Information from Driver's Licenses using LEADTOOLS

by LEADTOOLS Support

This white paper will explore how programmers can use LEADTOOLS Driver's License Recognition or Barcode Recognition to extract identifying information from driver's licenses.

iOS Barcode Scanner with Dynamsoft Mobile Barcode SDK

by Dynamsoft

Save time and money. Expedite development of iOS barcode apps using Dynamsoft Barcode Reader SDK.

Latest Articles

PDF File Writer C# Class Library (Version 2.0.0)

by Uzi Granot

PDF File Writer is a C# .NET class library allowing applications to create PDF files. The code was developed for VS 2022 and .NET6. The latest update is a major upgrade.

PDF417 Barcode Encoder Class Library and Demo App Ver. 2.2

by Uzi Granot

The PDF417 barcode encoder class library is written in C#. The target framework is .NET Framework (net462) and .NET Standard (netstandard2.0). The encoder library allows you to create a PDF417 barcode image from a text string or a binary (byte) array. Two demo/test applications are included.

PDF417 Barcode Decoder .NET Class Library and Two Demo Apps

by Uzi Granot

The PDF417 barcode decoder class library allows you to extract PDF417 barcode information from image files. The library is written in C# for the .NET framework. The two demo projects allows you to explore the library and read PDF417 barcodes.

Using QuaggaJS in MVC.NET

by Jim_Gray

QuaggaJS is a javascript library for scanning barcodes with a full list of features and highly reactive response times.

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Barcode

PDF417 Barcode Encoder Class Library and Demo App Ver. 2.2

8 Sep 2020 by Uzi Granot

The PDF417 barcode encoder class library is written in C#. The target framework is .NET Framework (net462) and .NET Standard (netstandard2.0). The encoder library allows you to create a PDF417 barcode image from a text string or a binary (byte) array. Two demo/test applications are included.

PDF417 Barcode Decoder .NET Class Library and Two Demo Apps

2 May 2019 by Uzi Granot

The PDF417 barcode decoder class library allows you to extract PDF417 barcode information from image files. The library is written in C# for the .NET framework. The two demo projects allows you to explore the library and read PDF417 barcodes.

Is there a way to find out if a barcode scanner is installed or plugged in a Windows 8.1 PC?

20 Jul 2015 by OriginalGriff

Probably not - most barcode scanners install as a "human input device" and emulate a keyboard so windows may not be able to tell at all.Your best bet is to ask the manufacturer of the device and see if they can help?

How to decode the data from barcode

26 Feb 2015 by OriginalGriff

You don't.A "barcode number" is just that (it's technically called an Article Number") - a number which uniquely identifies a product. Each variant of the product will have a separate Article number: so one for the 250g version, a different number for the 500g packet.The number does not...

How to read a barcode using a barcode scanner

19 Jul 2018 by Code1000

Hello experts,I am a beginner to VB.NET but I could manage to get things done for small and simple programming.What I will do in my project is that I will generate barcode and distribute it to the people. They are provided with a couple of barcode scanners and every person will have 3...

Problem of scanner code bar ?

5 Jul 2015 by OriginalGriff

You should talk to the people who created it - they should provide technical support and will know more about their product than we will. If they don't, then find another supplier and demand your money back!Most scanners are shipped set to just provide a basic "keyboard input" - so if you...

Is there any way to use free barcode api for Crystal Reports?

23 Jul 2015 by enoua

HelloI need to use barcode for c# crystalreports. I found some of apis (tarcode,onbarcode) but they were demos and written some texts on barcode. Is that any way to use barcode (EAN13) on crystal reports. For example My value is 15 and when i check report's barcode it must give 15 . If...

Save barcode data without textbox

28 Jul 2015 by OriginalGriff

We can't tell you how to do that.Most suitable barcode scanners will be able to do that - if they are wireless they generally send the data back to a base station which is attached to a PC. You need to talk to the manufacturers of the specific hardware you are going to use, and find out what...

Save barcode data without textbox

28 Jul 2015 by Xiao Ling

Let me guess how your solution works:1. Use the scanner to read barcodes.2. Display the barcode results to the text box of an application Window.3. Operators check and confirm the barcode results, and then insert data to the database by clicking mouse or keyboard.How to implement your...

Read data QR code C# by camera

30 Jun 2016 by El_Codero

I think you can quickly figure out what you trying to achive with this articles:How to Build a C# Barcode/QR Code Scanner by Using Your USB Camera[^]Open Source QRCode Library[^]especially for Win8:Capture QR code in Windows 8.1 using CaptureElement sample in C#, XAML for Visual...

How can I perform barcode scan and retrive/ fetch data based on barcode scan from database in MVC 4 ASP.NET ?

13 Jul 2016 by Patrice T

Quote:How can I perform barcode scanIt depend on your settings, hardware, frovers. Either it is like a keyboard entry, either you get it via serial port. In any cases you end up with a string.Quote:and retrive/ fetch data based on barcode scan from databaseWith the string you have got, you do...

How do I convert image into QR code in C# ?

13 Aug 2016 by Mehdi Gholam

Start here : ZXing.Net - Home[^]

How do I convert image into QR code in C# ?

13 Aug 2016 by ridoy

ZXing is a great option indeed as @Mehedi Gholam suggested. This could be in the list too: Open Source QRCode Library[^]A few other great alternative are described here:Free c# QR-Code generator - Stack Overflow[^]

How to scan QR code using webcam from ASP.NET web page?

30 Aug 2016 by dinesh_redhawk

Hello All,I have to scan a QR code using webcam on a Asp.net web page.Currently i have used Zxing and AForge.Net dlls and made a QR reader on a Winform application. But iam not able to do that in a Asp.net webpage.The problem area here is to capture the video frame in bitmap from the...

How to scan QR code using webcam from ASP.NET web page?

30 Aug 2016 by Xiao Ling

You can download the sample code:[ASP.NET-C#] Read barcode from webcam[^]Steps to implement the solution1. Use HTML5 to open a webcam in your web browser.2. Display the webcam preview on a canvas.3. Send the canvas data (base64 string) to the server-side that built in ASP.NET.4....

Scan qr code using mobile camera and fetch that code in aspx page

15 Sep 2016 by Suvendu Shekhar Giri

Check following at Codeplex.comQrCode.Net[^]Hope, it helps :)

Read data QR code C# by camera

19 Sep 2016 by Xiao Ling

Yes, you can use Touchless SDK[^] for webcam and ZXing.NET[^] for QR code. They are both free and open-source.You can also read the article 'WinForm Barcode Reader with Webcam and C#[^]' to learn how to implement a simple QR code reader using Touchless and a .NET barcode SDK.

How to use generate datamtrix 2d barcode and save it quickly

7 May 2017 by Dave Kreskowiak

Posting the same question over and over again is not going to change the answer. You're not generating the barcode, some library you're using is. Your code cannot be made to go much faster. Frankly, the requirement is ludicrous. There's no way you're going to generate hundreds of thousands of...

Where do I get a free open source barcode generator library and source code for rdlc report

22 May 2017 by Richard MacCutchan

www.google.com[^]

Attendance system with barcode scanner VB.NET

22 Jun 2017 by OriginalGriff

It's probably not a good idea: USB doesn't have good range - even powered hubs can be no further than a 5m cable from each other, so to use USB to connect the barcode scanners, you will heed a considerable number of powered hubs, each of which will need to be plugged into a mains supply...

Barcode scanner with raspberry pi 3

25 Jun 2017 by Kornfeld Eliyahu Peter

It seems you have some Google problem... If found it after 15 seconds and there are more... Raspberry Pi Barcode Scanner with Webcam and Python[^]

Barcode reading extra digit values in C#

10 Sep 2018 by Dave Kreskowiak

Well, I can tell you that your TimeSpan idea to determine if it's the barcode scanner or a human at the keyboard idea is complete crap. Windows is a shared system and your code may not be given control of the CPU in the time frame that your code is looking for, essentially killing your barcode...

Fill the barcode based on user input

6 Mar 2019 by Richard MacCutchan

You have set the height and width of your bitmap, and the starting position of the text, but you never set the height and width of the font that you are using.

How to use phone's camera to read barcode in chrome in android

21 Jul 2019 by OriginalGriff

Quote: I want to count my products in stock by android phone using its camera. but i don't want to use any specific android app. I just want to open chrome browser and load a webpage something like myProductCounter.com which is built to count products using phone's camera and read barcodes....

How to read barcode with USB barcode reader in java

14 Jan 2020 by CPallini

Quote: I tried googling it but i didn't find a solution Actually Google returns about 3,000,000 results for the "usb barcode java" query. You should read your barcode scanner documentation, in order to understand how to access it. Probably a library is provided.

Barcode scanner decode the code to decimal(3-digit) if I used evtkeyupeven

20 Dec 2023 by RainHat

It looks like the barcode reader is working is keyboard wedge mode. This means it emulates a keyboard. Firstly, you are making this difficult for yourself by binding to the KeyUp event. If this is a TextBox then simply look at the Text property...

how barcode scanner reads and pass data to .net

16 Nov 2014 by Sergey Alexandrovich Kryukov

The question is not clear. It works the way it is designed; and such designs can be different. This is not a camera, and you don't have to do image recognition. :-)For further information, please see: http://en.wikipedia.org/wiki/Barcode_reader[^].If you really need to do "barcode...

Barcode printing on barcode sticker using javascript

30 Jan 2015 by Member 10705961

I am developing a web application using c#. here, i want to generate barcode and print on sticker. I have generated barcode using c# code and the barcode saved as image. now what i want is, print barcode image on client side. the barcode printed successfully on server side. but i do not know how...

How do I software trigger the barcode scanner of a handheld device?

7 Feb 2015 by Hatzy

Hello everybody,I am currently writing an application for Panasonic's TOUGHPAD FZ-E1 and I have problems software triggering the barcode scanner. I know this is possible because the demo app that came with it does that.My code is written in C# according to the Microsoft documentation...

How to decode the data from barcode

26 Feb 2015 by Eldhose M V

Hi,How to decode the informations from barcode without using POS dll. The barcode numbers will be automatically getting after the scanning. Then how we can decode these barcode numbers without POS.

QR Code Scanner in ASP.Net Web Application Using Smart Phone Camera

11 May 2015 by Alamgir Hossan

I've developed web application using visual studio 2008 and right at this moment I would like to add one more interface which can scan QR code using smart phone camera to retrieve data.Can anyone help me to give me an idea or sample source to do this?Thanks in advance.

QR Code Scanner in ASP.Net Web Application Using Smart Phone Camera

11 May 2015 by Sergey Alexandrovich Kryukov

See, for example, this CodeProject article: How to Build a C# Barcode/QR Code Scanner by Using Your USB Camera[^].You can find a lot more.You can use WebRTC for sending media from browser. Start...

QR Code Scanner in ASP.Net Web Application Using Smart Phone Camera

12 May 2015 by Xiao Ling

What you need to do is to capture the barcode image on the client side, and send it to the server side. Then decode the barcode on the server side, and send the result back to the Web client. Here is an HTML5 solution for capturing and uploading images using the smartphone camera: Take a Photo...

How Do I Show The Scanned Values In An Edittext In Android

18 May 2015 by Rahul Ramakrishnan

this i the code i used to just toast the scanned values. i need to show each values in separate editText.this code opens a scanner public void onClick(View v) { // TODO Auto-generated method stub detailList(v); try { //start the scanning activity from the...

How Do I Show The Scanned Values In An Edittext In Android

18 May 2015 by Richard MacCutchan

The same way you would add any text to an EditText control. If you are not sure which method or property to use then a quick look at the documentation[^] should help.

how to implement barcode scanner as a standalone application

1 Jun 2015 by Xiao Ling

It's pretty easy. You just need to get the preview data and decode it with ZXing. You can read the blog - How to implement a simple barcode scan application on Android[^]

Problem of scanner code bar ?

6 Jul 2015 by Xiao Ling

A basic process of using Barcode: content -> encode with UTF-8 -> generate Barcode -> read Barcode -> decode with UTF-8 -> content.If you didn't decode the result with UTF-8, you would see the unrecognized characters. If you did, maybe your system does not support non-English languages.

Is there any way to use free barcode api for Crystal Reports?

23 Jul 2015 by MARSA347

using System;using System.Collections;using System.ComponentModel;using System.Drawing;using System.Data;using System.Windows.Forms;namespace DSBarCode{ public class BarCodeCtrl : System.Windows.Forms.UserControl { private System.Windows.Forms.Panel panel1; private...

how to implement barcode scanner in asp

11 Nov 2015 by Member 12089550

my boss ask me to make a system that are use to audit the fixed asset(fa) of the company. they want the system must be a website(asp or php is ok for me).create the website is not the problem, my big problem is that how the wireless barcode scanner interact into my website and database? or it is...

how to implement barcode scanner in asp

11 Nov 2015 by George Jonsson

Barcode scanners usually comes in two flavours when it comes to the connection the host PC.1. The are connected as a HID either via USB or the old PS2 port.In this case the scanner works as a keyboard and anything you scan will appear in the active input control.The benefit with this...

How to print bar code labels using vb.net web services on Zebra TLP 2844-Z printer

26 Nov 2015 by Vinay janwade

Hi Experts, I have stuck up in bar code label printing in which i am trying to print bar code labels on Zebra TLP 2844-Z printer which is installed on network PC. I am using vb.net Web-service function. Please suggest...

How to print bar code labels using vb.net web services on Zebra TLP 2844-Z printer

26 Nov 2015 by Richard Deeming

Use one of the ^Bn commands to generate a barcode - for example, Code 128[^].You can find the full details of the commands in the ZPL programming guide[^].This page[^] has a useful online ZPL viewer, if you want to see what your label will look like without printing it. The default...

How to print bar code labels using crystal reports and vb.net on ZDesigner TLP 2844-Z printer

29 Nov 2015 by Vinay janwade

Hello, I am trying to print barcode labels on ZDesigner TP 2844-z printer using crystal reports and vb.net application. And i am using Printers default barcode font i.e.- Code128. If i give print through crystal reports then it printing barcode correctly and scanning also. And if i give...

How Can I Split A Number In Vb.Net Into Two

29 Nov 2015 by Member 12152787

guys i need to check if a barcode number starts with 27. if it does, i need to have the first 6 digitsnof this barcode in a textbox and the rest digits in another textbox how can i do that in vb.net? any help would be appreciatedhow can i use the split method to do that or regular expressions...

regular-expression

How Can I Split A Number In Vb.Net Into Two

29 Nov 2015 by Garth J Lancaster

you do know the String type has a Substring method ?https://msdn.microsoft.com/en-us/library/aka44szs(v=vs.110).aspx[^]so in pseudocode (ie rough code thats not really any language except the string Substr and Remove ARE VB)if barCodeString.Substr(0,2) == '27' // Put 1st 6 chars...

regular-expression

how to get the scanned result from inbuilt scanner

21 Dec 2015 by Rahul Ramakrishnan

i have implemented a bar code scanner by referring [^] what i'm trying to acheive is to scan 2 bar codes in a single activity. the code i used is able to the the bar code but is not being able to print the result.@Override protected void onActivityResult(int requestCode, int...

14 digit scannable barcode(code 128) in 80 pixel in c#,using fonts or any other way

9 Jan 2016 by varun150

i am not able to reduce width less than 134 pixel,i tried reducing width by reducing generated barcode width it became blurred a bit and unreadable.i also tried using font code-128 but it didn't worked generated barcode is not readable in required size.i used font code 128 font and i...

image-conversion

Asp vb drawing barcode using a .tiff

8 Mar 2016 by Member 12156089

i need to generate a barcode without any library (if exist one commercial free),i have this code but always said Font is ReadOnly, i found a lot of pages but any said how fix it this is the code :Imports System.DrawingImports System.Drawing.TextPartial Class codigo_barras ...

Capturing Customer Information from Driver's Licenses using LEADTOOLS

2 May 2016 by LEADTOOLS Support

This white paper will explore how programmers can use LEADTOOLS Driver's License Recognition or Barcode Recognition to extract identifying information from driver's licenses.

product-showcase

How to print barcode in ASP.NET

26 May 2016 by Kunwar Bahadur Singh

First you need to check the font "IDAutomationHC39M" working fine on your machine.Then use below codeHere path is any local path like @c:\Image\public void CreateBarcode(string data) {var imgPath = string.Format("{0}{1}.png", path, data);Bitmap barcode = new Bitmap(1, 1);Font...

Read data QR code C# by camera

21 Aug 2017 by Member 11444380

How scan and read data QR code in c# by using laptop camera?i have worked on a project in c# .in this project i need to read the data of the QR code by laptop camera or USB camera and use this data.is there any free dll library QR code reader and how can i use dll library? please help...

iOS Barcode Scanner with Dynamsoft Mobile Barcode SDK

7 Jul 2016 by Dynamsoft

Save time and money. Expedite development of iOS barcode apps using Dynamsoft Barcode Reader SDK.

product-showcase

How do I convert image into QR code in C# ?

30 Aug 2016 by Gaurav Gupta A Tech Guy

how do i convert image into QR Code in c# ?What I have tried:I have converted image into base64 string then tried converting into QR Code. but it fails due to storage size ?

How to scan QR code using webcam from ASP.NET web page?

18 Aug 2016 by leol2

c# - Scan QR code using webcam in ASP.NET web form - Stack Overflow[^]

How do I convert image into QR code in C# ?

30 Aug 2016 by Xiao Ling

fails due to storage size ?Probably yes. I think you should change your question to "what is the max length of a string that a QR code supports".You can refer to wikipedia[^].Numeric only 7,089 3⅓ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9Alphanumeric 4,296 5½ 0–9, A–Z (upper-case only), space, $,...

Scan qr code using mobile camera and fetch that code in aspx page

19 Jan 2021 by Member 12736338

i need to create aspx page with camera that views qr code and it should fetch the code .is there any idea.pls help meWhat I have tried:i didnt tried anything.till now i generated qrcode.i need to scan that from aspx page

How to use crystal report in visual studio 2015 in C# using mysql ?

10 Oct 2016 by TatsuSheva

Hello, I am doing an application which will print barcodes but I am struggling with the crystal report using MySql... I did everything which must be done to connect to mysql , create dataset connect it to Mysql etc but I can't show the values of the table in the report...Need some help Thank...

How to use crystal report in visual studio 2015 in C# using mysql ?

7 Oct 2016 by Paresh_Kapuriya

Hi there,Please refer below link for step by step implementation,If you find any query then let me know.[^]http://csharp.net-informations.com/crystal-reports/csharp-crystal-reports-stepbystep.htm[^]Thanks

Need to store image of 100 x 100 in QR code

10 Oct 2016 by NathanRO

Take a look at this open source QR code library. You should be able to utilize it to encode the "chunks" into individual QR codes and export them as images.Open Source QRCode Library

Read code128 to winform textbox with barcode reader MC3190

21 Dec 2016 by ductuan_itpro

This is my trouble:I want to write winform application with a Textbox to run in a PC. Then I use Motorola MC3190 barcode reader to remote to PC and run application to scan barcode code128 to textbox. But result data in textbox is incorrect:Exactly barcode: AFX015*BF02044701*300816*9Textbox...

How to print barcode on barcode printer on two columns ribbon sheet C# winforms app without using any labelling software.

28 Dec 2018 by Shubham SD

hello peeps, I m working on winform app(c#) I want to Print barcode on barcode printer now m testing on TSC TTP 244 pro printer using its DLL.I want to print on Sheet which has two columns .Help me. i want print it side by side .I tried...

How to put image logo within generated qr code

26 Jul 2022 by ahmed_sa

ProblemHow put image logo inside of generated bar code ?DetailsI make windows application to generate c# qr codeI success to do thatI work in visual studio 2015 windows form applicationsi using messagetoolkitqrcodeMy code generated qr code by c# as following...

How to split data to text boxes when read qr code data ?

19 Feb 2017 by OriginalGriff

Read the file as an array of lines: File.ReadAllLines will do that for you from a file, or you can process the QR data directly if that is possible with your hardware.Then for each line, just use string.Split to break it:string thisLine = "UserName : michel bondq";string[] parts =...

How to clear data readed by scanner from textbox to recieve another one?

20 Feb 2017 by Garth J Lancaster

In general, there are two ways to clear a textbox - using your case textBox4.Clear();or textBox4.Text = string.Empty;this issue is I'm not sure of your logic/program flow, and thence 'where' to do this in your code[edit] I guess you do it before this/the new read "Quote:but...

How to remove focus on button when reading data from scanner barcode

25 Feb 2017 by Dave Kreskowiak

You never "remove" focus from anything. You have to give the focus to some other control.Since most barcode scanners are just keyboard emulators (keyboard wedge), everything they scan is just "typed" into whatever control has the focus at the time.So, typically, you program the barcode...

How to remove focus on button when reading data from scanner barcode

25 Feb 2017 by DiamondKid

Just focus it in the textbox for the barcode scanner's input. Then on the Form's AcceptButton property, set it to Button1.

How to remove focus on button when reading data from scanner barcode

25 Feb 2017 by Graeme_Grant

textBox1.Focus();

Read from two barcode reader in same windows form

17 Apr 2017 by sam9787

Hi I create my windows form application that i read from barcode reader , fill barcode in textbox1 Now i try to connect another barcode reader at same windows form , and i want to fill read in textbox2 With no need to move the curser by user I mean i wish if there are any way to read from two...

Read from two barcode reader in same windows form

17 Apr 2017 by OriginalGriff

Basically, we can't help. Most barcode scanners when shipped are setup to emulate a keyboard, and feed the barcode data directly as if the user had typed it - there is no way to tell when the data arrives at your application where it came from, so you can't direct it to one box or the other. ...

Read from two barcode reader in same windows form

17 Apr 2017 by Dave Kreskowiak

If you're going to use more than one barcode reader on a single machine they better be Ethernet based and not "keyboard wedge" devices. Why? "Keyboard wedge" devices "type" the code they scan as if they were a keyboard not a scanner. While it is possible to program some of these to pre-pend the...

When generate 10000 matrix bar code it take too much time how to make generating take seconds

7 May 2017 by CHill60

I suggest that you have multiple threads writing these barcodes - see Asynchronous Programming[^] As an aside, do yourself and everybody else a favour and stop using the automatically generated names for objects Class1, textBox1, textBox4 etc etc. They might mean something to you now but they...

When generate 10000 matrix bar code it take too much time how to make generating take seconds

7 May 2017 by Patrice T

In this line: txt = "UserID" + dt.Rows[0][0] + "FirmName" + dt.Rows[0][1] + "OrderNo" + dt.Rows[0][2] + "BtachNo" + dt.Rows[0][3] + "Quantity" + dt.Rows[0][4] + "ProductName" + dt.Rows[0][5] + "SerialNo" + Serial; , a big part is constant in the loop: "UserID" + dt.Rows[0][0] + "FirmName" +...

When generate 10000 matrix bar code it take too much time how to make generating take seconds

7 May 2017 by Jochen Arndt

As already suggested move any constant data out of the loop and avoid using local and temporary variables inside the loop (especially those using dynamic memory allocation like strings): int items = Convert.ToInt32(textBox1.Text); string txtBase = "UserID" + dt.Rows[0][0] + "FirmName" +...

Attendance system with barcode scanner VB.NET

22 Jun 2017 by Rajan Pandit

I am planning a Office Management Software for a school... In this my major challenge is attendance.. I want to use BarCode Scanner for Attendance. I will print ID Cards with BarCodes. So they can scan it easily... but I am confused that .. BarCode scanner will work with PC only and My Software...

Attendance system with barcode scanner VB.NET

22 Jun 2017 by Patrice T

Quote: If I purchase 15 BarCode scanners and place in each class and connect all with Main Control PC by using USB HUB.. I think it is a wrong solution, simply because USB is very limited on the length of cable, it is about 5 to 10 meters maximum. I fear your classrooms will not be that close....

Application crashes and stop bar code reading

3 Dec 2017 by Harish Kumar Bansal

Hi, Application crashes after some time and stop scanning bar code. Everytime i have to restart my device to continue scanning. I am using Honeywell device and windows phone 8.1. Can you please help me on this? What I have tried: private BarcodeScanner scanner; ...

Windows-Phone-8.1

How can add two filter on barcode image

25 Dec 2017 by Member 11727674

I'm developing an application in swift that can create barcode.but my problem is that when i want to create barcode for 2textfield such as EmailAddress type of barcode i can not add two filters to it.im very new in swift can any body help me? @IBOutlet weak var textTextField: UITextField! ...

Barcode end charactor

1 Jun 2018 by OriginalGriff

Barcodes are not a "fixed length" - there are several different types which encode a different number of digits (in fact, some can contain a whole load more than just digits: EAN128 can contain heaps of information if needed) and five digits is a "valid" barcode number (ish, it's supposed to be...

Barcode end charactor

1 Jun 2018 by Patrice T

Quote: I am not able able identify last character. Probably because most barcodes are variable length, you have to know what barcode you are reading. Quote: now it working with text changed event. Hope you don't use the scanner as keyboard entry, it is the worst thing to do because cursor...

How I can increase size of barcode characters and it can scan properly ? I am using code 128 library.

10 Jun 2018 by OriginalGriff

This isn't a question we can answer without being able to see your code - both Bar and source - and knowing exactly what you are trying to encode. Code128 is a variable length code, which can contain a huge amount of information in a mixture of three code sets: so it's a complicated beastie,...

How I can increase size of barcode characters and it can scan properly ? I am using code 128 library.

10 Jun 2018 by Maciej Los

In a short: the size of barcode (image) depends on scan mode, scan settings. When OCR software is used to scan text, it normally uses 300dpi, but when the portion of small text is scanned, it needs 400dpi and more. For further details, please see: Recommended Scan Settings for the Best OCR...

How can generate variable QR code

17 Jun 2018 by Richard MacCutchan

You would first need to understand the structure of a print document, and then find some way of identifying the transaction (or other) values inside that content. There may be a way of doing it through the Print Spooler API Functions (Windows)[^]. Alternatively you need to write a device filter...

Barcodeimaging pdf barcode scanner

7 Sep 2018 by Richard MacCutchan

If you have problems with the content of a CodeProject article, then please use the forum at the end of the article to post your question.

Barcode scanner return only first digit only why and how to return full number

9 Sep 2018 by OriginalGriff

We can't tell - we don't have your scanner, and we can't run your code as a result. So, it's going to be up to you. Fortunately, you have a tool available to you which will help you find out what is going on: the debugger. Put a breakpoint on the first line in the function, and run your code...

How do I get the barcode images to scale properly?

20 Oct 2018 by Member 8525852

I am using the following Barcode Image Generation Library code to generate barcodes. Barcode.Encode(BarcodeLib.TYPE.BOOKLAND, Text, Width, Height) The generated images are all the same length, which distorts the barcode. https://i.imgur.com/gHDNjzZ.png[^] How do I get the barcodes to...

How do I get the barcode images to scale properly?

20 Oct 2018 by Richard MacCutchan

When an image gets distorted it is often because one dimension is adjusted without the other. The key to keeping the correct aspect ratio while resizing an image is the algorithm used to calculate the ratio, viz. NewHeight = GivenWidth * (OriginalHeight / OriginalWidth) or NewWidth =...

How to print barcode on barcode printer on two columns ribbon sheet C# winforms app without using any labelling software.

28 Dec 2018 by saeid mohammad hashem

I'm also looking for solution, if you have any correct answer please post the sample code. my tsc label printer is "TSC TTP-244ME Plus"

How to print barcode on barcode printer on two columns ribbon sheet C# winforms app without using any labelling software.

28 Dec 2018 by W∴ Balboos, GHB

Use these - 7 Free Barcode Fonts · 1001 Fonts[^] They just work - assuming you can select the font you wish. Also - make SURE you learn the rules for the barcode you wish to use. For example, they typically have a start and stop character along with the content. Also, remember that there are...

Use barcode DLL with autoit

8 Feb 2019 by MadMyche

Are you referring to this article? Reading Barcodes from an Image - III[^] Then the best thing to do would be to use the forum at the bottom to leave a message

Fill the barcode based on user input

6 Mar 2019 by Bojjaiah

I am trying to print the BarCode based on user input successfully, but the BarCode is not filling correctly. Image Height and Width is increasing/decreasing as user inputs. Please see the below reference image. Imgur: The magic of the Internet[^] Please suggest filling the barcode based on...

How to print multiple pages C#

7 May 2019 by Member 12221464

My program generates barcodes , so i have an issue when it comes to print the next page. The preview doesnt show the next page and stops . Can someone please help me.. I have a for loop so when i check the page bounds and set the hasmorepages value true , the preview doesnt stop generating...

How to decode specific area in image with manually select?

21 Jan 2021 by Member 14368876

I have an image with multiple barcodes inside the picture box. I have no idea how to select the specific barcode area and decode it. I had done the high light function but after I high light the barcode it will show me some error like "'Crop Rectangle is larger than the input image". I have...

How to print crystal report on different paper size

22 Dec 2019 by Member 14649908

I have a combobox whose item is as below: 40 Barcodes per sheet (A4) (1.799" X 1.003") 30 Barcodes per sheet (2.625" X 1") 24 Barcodes per sheet (A4) (2.48" X 1.334") 20 Barcodes per sheet (4" X 1") 18 Barcodes per sheet (A4) (2.5" X 1.835") 14 Barcodes per sheet (A4) ...

How to print crystal report on different paper size

22 Dec 2019 by OriginalGriff

Not like that! Never concatenate strings to build a SQL command. It leaves you wide open to accidental or deliberate SQL Injection attack which can destroy your entire database. Always use Parameterized queries instead. When you concatenate strings, you cause problems because SQL receives...

Barcode printing from C# windows application using TTP-244 pro.

26 Jun 2020 by OriginalGriff

You should talk to the people who created it - [^] - they should provide technical support and will know more about their product than we will. If they don't, then find another supplier and demand your money back!

Why barcode printer print only one label?

23 Jul 2020 by Golden Basim

why Barcode Printer print only one label. OS : Windows 10 my code : i use this function to get all the items data in the invoice and its quantity, then i collect together into a List private void printAllItems() { ...

Why barcode printer print only one label?

23 Jul 2020 by Patrice T

Quote: Why barcode printer print only one label? If you don't tell otherwise, a printer prints 1 label at the time. It may depend on the printer and its language. Size of label doesn't matter. What matters is the printer brand and language used,...

Print qrcode to thermal printer

30 Jul 2020 by Member 11396175

Good morning I have a simple program that generate qrcode placed in picture box and save it to specific path as jpg.file. My question is how can i send this file to thermal printer to print. What I have tried: txtQRCode.Text = textBox6.Text +...

Get correct barcode character

5 Aug 2020 by MIRKO PIEVANI

Hi, I've a problem with barcode readers: if I have a barcode reader with setted country USA and the input language on my PC (Windows 10) is Italian, when I scan a code with special characters (like \ / : ) I'll see at video other characters (like...

Get correct barcode character

5 Aug 2020 by OriginalGriff

Because most scanners come preconfigured to emulate a keyboard, you need to tell Windows what layout it expects to generate. That's not difficult: How to the change keyboard layout on Windows 10 | Windows Central[^] - you can do it for multiple...