
Barcodes are essential for product identification, serving as machine-readable visual representations of data. Various barcode formats, such as Code128, QR, DataMatrix, and Aztec, are widely utilized across diverse industries. In this comprehensive guide, you will learn how to generate barcodes in C# and customize their designs using the powerful Aspose.BarCode Plugin.
Table of Contents
- C# Barcode Generator API
- How to Generate a Barcode using C#
- How to Generate a QR Barcode using C#
- Customize the Appearance of a Barcode in C#
- Add Caption in Barcodes using C#
C# Barcode API - Free Download
The Aspose.BarCode for .NET library is a comprehensive API designed for barcode generation and scanning. It enables you to create and read a wide array of barcode symbologies, including:
- Code128
- Code11
- Code39
- QR
- DataMatrix
- EAN13
- EAN8
- ITF14
- PDF417
- and many more.
You can download the API for free or install it directly in your .NET application using NuGet:
PM> Install-Package Aspose.Barcode
How to Generate a Barcode using C#
Generating a barcode with the Aspose Plugin is both straightforward and efficient. Follow these steps to create a barcode:
- Instantiate the BarcodeGenerator class, specifying the desired barcode type and text in the constructor.
- Configure the barcode’s features, such as resolution and size.
- Generate the barcode using the BarcodeGenerator.Save(String) method.
Here’s a code sample demonstrating how to generate a barcode using C#:

How to Generate a QR Barcode using C#
Creating a QR barcode follows a similar process to generating other barcode types. Here’s how to do it:
- Instantiate the BarcodeGenerator class, specifying the barcode type as EncodeTypes.QR.
- Generate the barcode using the BarcodeGenerator.Save(String) method.
Here’s a code sample for generating a QR barcode using C#:

Customize the Appearance of a Barcode in C#
Customizing the appearance of a barcode is easy with the Aspose Plugin. You can modify its font, foreground color, background color, and text color. Here are the steps:
- Instantiate the BarcodeGenerator class.
- Adjust the barcode’s appearance using the BarcodeGenerator.Parameters properties, such as BarcodeGenerator.Parameters.BackColor.
- Generate the barcode using the BarcodeGenerator.Save(String) method.
Here’s a code sample for generating a customized Aztec barcode using C#:

Add Caption in Barcodes using C#
Incorporating captions into barcodes can provide additional context, and the Aspose Plugin facilitates this process. Here’s how to add a caption:
- Instantiate the BarcodeGenerator class.
- Set the barcode’s text and type in the constructor of BarcodeGenerator.
- Utilize the CaptionAbove or CaptionBelow properties to configure the caption.
- Save the barcode using the BarcodeGenerator.Save(String) method.
Here’s a code sample for adding a caption to a barcode using C#:

Conclusion
In this article, you learned how to programmatically generate barcodes using C#. You also explored how to customize their appearance and add captions. For more detailed information, visit the Aspose.BarCode documentation to enhance your barcode generation capabilities.