C# QR Code Generator Library SDK
Integration & Developer Guide for QR Code 2D barcode image generation in C#
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Generate 2d barcode QR Code images in Visual C# .NET with complete sample C# source code

  • Generate, create QR Code in Visual C# .NET applications
  • Easy to install & integrate barcode QR Code generation library SDK into C# developments
  • Generate over 30 linear, 2d barcode images in C#.NET including C# Data Matrix, C# PDF-417, C# Interleaved 2/5, C# Code 39, C# Code 128, C# EAN
  • Generate QR Code images in C# class
  • Create barcode QR Code in C# ASP.NET web application
  • Print QR Code barcode in C# Windows Form software
  • Draw 2d barcode QR Code in SQL Server Reporting Service (SSRS) & Crystal Reports for .NET projects
  • Easy to encode QR Code images to jpeg, gif, png, tiff, bitmap files in C# program

C# QR-Code Generator Introduction
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Postnet, also known as USPS POSTNET Barcode, USPS POSTal Numeric Encoding Technique Barcode, is a delivery point barcodes adopted by United States Postal Services.
C# QR Code Generator is one of the functions in OnBarcode's Barcode for .NET Generation Controls, which supports generating & printing QR Code and 20+ other linear & 2D bar codes for C# applications.
OnBarcode C# Barcode Generator makes it easy to generate, create QR Code and other linear & 2d barcodes in Microsoft Word. Here are some detailed tutorials for C# QR Code generation and data encoding, size & image setting.

QR Code Generator library, SDK & application

OnBarcode provides several QR Code Generator components and software, including QR Code .NET, QR Code Java, QR Code VB.NET, QR Code ASP.NET, QR Code iPhone, QR Code iPad, QR Code Android, QR Code Generator.
This document is providing a detailed C# source code about generating QR Code barcodes in C# class using C# Barcode generation component. Complete QR Code custmoization settings is included in C# QR Code generation guide.
Create QR-Code Barcodes in C#
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Creating QR-Code barcode in C# class example:

   using System;
using System.Collections.Generic;
using System.Text;
using OnBarcode.Barcode;
using System.Drawing.Imaging;
using System.Drawing;


QRCode qrcode = new QRCode();

// Barcode data to encode
qrcode.Data = "ONBARCODE";
// QR-Code data mode
qrcode.DataMode = QRCodeDataMode.AlphaNumeric;
// QR-Code format mode
//qrcode.Version = QRCodeVersion.V10;

/*
* Barcode Image Related Settings
*/
// Unit of meature for all size related setting in the library.
qrcode.UOM = UnitOfMeasure.PIXEL;
// Bar module size (X), default is 3 pixel;
qrcode.X = 3;
// Barcode image left, right, top, bottom margins. Defaults are 0.
qrcode.LeftMargin = 0;
qrcode.RightMargin = 0;
qrcode.TopMargin = 0;
qrcode.BottomMargin = 0;
// Image resolution in dpi, default is 72 dpi.
qrcode.Resolution = 72;
// Created barcode orientation.
//4 options are: facing left, facing right, facing bottom, and facing top

qrcode.Rotate = Rotate.Rotate0;

// Generate QR-Code and encode barcode to gif format
qrcode.ImageFormat = System.Drawing.Imaging.ImageFormat.Gif;
qrcode.drawBarcode("C:\\qrcode.gif");

/*
You can also call other drawing methods to generate barcodes

public void drawBarcode(Graphics graphics);

public void drawBarcode(string filename);

public Bitmap drawBarcode();

public void drawBarcode(Stream stream);

*/
More C# Barcode Generation Tutorials for Each Barcode
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Barcode Control for C#.NET - Bar Code Type Generation

OnBarcode is a market-leading provider of barcode imaging generator, reader controls and components for ASP.NET, Windows Forms, WPF, as well Java, Android, iOS (iPhone, iPad) across all major enterprise development platforms. We provides comprehensive tutorials and how-tos for various linear, 2d barcode information, such as C# in ASP.NET, C# .NET, C# Barcode Encoding, C# Barcode Image, VB.NET in ASP.NET, VB.NET Winforms, VB.NET Barcode Encoding, VB.NET Barcode Image, Java JSP Servlet. OnBarcode barcode products are supported by RasterEdge high quality .NET Imaging SDK, Java Imaging Library, and their easy and simple documents, like imaging in C#, imaging in VB.NET, PDF in C# and PDF in VB.NET.
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