Barcode Generator & Reader SDK - OnBarcode  
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VB.NET to Generate Barcode in WinForms
How to use sample VB.NET codes to generate & create barcode labels for .NET WinForms project
Download WinForms Barcode Generator Free Evaluation Package
Purchase Windows Forms Barcode Generator SDK License
It works well throughout my whole project. And barcoding features are easy to be implemented with the help of guide documents.
- Kevin Cox, US

Generate & Print 1D & 2D Barcodes for Windows Forms Using VB.NET Barcoding Class

  • Integrate mature barcode generating features into an easy-to-use .NET WinForms dll
  • Written in managed C#, work perfectly with .NET Windows Forms & ASP.NET applications
  • Simple to generate linear & 2d barcode (like QR Code) images in several image formats with VB.NET
  • Use VB.NET class codes to create GS1-compatible barcode labels in WinForms
  • Free to customize generated barcode image size using example VB.NET codes
  • Support over 20 linear & 2d barcode image generation in WinForms with VB.NET
  • Implementing VB.NET bar codes encoding numbers with automatic check digit in Png, Jpeg, Tiff formats
  • Source code provided with unlimited devloper license for VB.NET barcode controller
Windows Forms
VB.NET Class
Supported Barcodes
.NET Barcode Generator Component SDK is used to generate & print over 20 main linear and 2d barcode types in Visual Studio .NET Windows Forms, Visual Basic .NET Class programming, Console applications, VB.NET Reportings like Crystal Reports, RDLC Reports and SSRS Reports. Free trial download for VB.NET bar code engine is available.
Apart from VB.NET winforms tutorial, we also provides other barcode tutorials for VB.NET barcode generation:
  1. Create Barcode in VB.NET - Generating & Printing batch barcode graphics in VB.NET programs
  2. Stream Barcode in ASP.NET - Streaming & creating barcode images in ASP.NET Web Site & Web Form using VB.NET
  3. Adjust Barcode Image in VB.NET - Printing & drawing multiple barcodes using VB.NET code and adjust image settings
  4. Encode Data into Barcode in VB.NET - Generating & making GS1 barcode or encode specified data in barcode in VB.NET system
How to Generate & Save Barcode in .NET Windows Forms
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  1. Add .NET Barcode Generator DLL for WinForms to Toolbox.

    Detailed steps for installation are as follows: Create a new .NET Windows Forms project, right-click Toolbox, select Choose Items..., and click Browse... to find OnBarcode.Barcode.WinForms.dll. Then, four related items will appear in the Toolbox: LinearWinForm, DataMatrixWinForm, PDF417WinForm, and QRCodeWinForm.
  2. Drag & drop DataMatrixWinForm Windows Forms if users want to generate & print a Data Matrix barcode image in .NET WinForms.

    Drag & drop QRCodeWinForm Windows Forms if users want to create QR Code barcode image in .NET WinForms.

    Drag & drop PDF417WinForm Windows Forms if users want to create & save PDF417 barcode in .NET WinForms.

    Drag & drop LinearWinForm Windows Forms if users want to generate & print any of the linear barcodes like Code 39, Code 128, EAN-13, GS1-128, ISBN, UPC-A, in .NET WinForms.
  3. Developers can also get data from a textbox in VB.NET configuration or create propriety barcode in picturebox.
    You can easily adjust barcode value (such as width and height) and other designing functions in the property table.
How to Encode Barcode in .NET WinForms Using VB.NET Code
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  1. Integrate .NET WinForms Barcode Library DLL to Windows VB.NET project reference.
  2. Use OnBarcode.Barcode as the namespace and copy the following VB.NET sample codes to VB.NET class.

    The VB.NET API demo code below shows how to encrypt a square barcode Data Matrix encoding lowercase alphanumeric character string via VB. More methods are provided to display, retrieve, apply or store a barcode image.

   ' Create a .NET WinForms Data Matrix object
   Dim datamatrix As New DataMatrix()

   ' Set Data Matrix encoded data
   datamatrix.Data = ".NET WinForms VB.NET Data Matrix"

   ' Set Data Matrix data mode
   datamatrix.DataMode = DataMatrixDataMode.Auto

   ' Set Data Matrix barcode image size
   datamatrix.X = 3
   datamatrix.LeftMargin = 6
   datamatrix.RightMargin = 6
   datamatrix.TopMargin = 6
   datamatrix.BottomMargin = 6

   ' Print Data Matrix to gif image file and save it to C:\
   datamatrix.ImageFormat = System.Drawing.Imaging.ImageFormat.Gif
   datamatrix.drawBarcode("C://winfroms-vb-net-datamatrix.gif"   )
VB.NET Barcode Generation Tutorials for Supported Barcodes
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Barcode SDK for VB.NET - Barcode Image 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. OnBarcode barcode products are supported by RasterEdge ASP.NET Document Viewer, which supports ASP.NET PDF Viewer, ASP.NET MVC Document Viewer, ASP.NET PDF Editor, MVC PDF Viewer. And provide high quality C# Convert PDF to Tiff, C# Convert PDF to Word, C# Convert PDF to HTML, C# Convert PDF to Jpeg images, and their easy and simple documents, like C# PDF SDK, C# extract text from PDF, C# Compress PDF, Print PDF in C# and C# extract image from PDF.
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