KA.Barcode Generator for .NET Suite
How to Generate Code 39 Image in VB.NET Projects
Complete VB.NET source code to print Code 39 images in various image formats using Barcode for .NET
  • Programmatically create, print Code 39 1D bar codes in Visual Basic .NET
  • Powerful barcode component Word barcode, Java barcode, .NET barcode developed for easy barcode creation
  • Simply integrate Code 39 creation features into VB.NET project in Microsoft Visual Studio 2005, 2010
  • Barcoding, generating 1D Code 39 in ASP.NET web pages, Windows applications and Crystal Reports
  • Provide flexible options to change Code 39 bar alignment, image resolution and color
  • Provide complete user manuals for customizing Code 39 images in ASP.NET
  • Other barcode solutions provided - barcode .NET WinForms, barcode .NET, barcode Java, etc.
  • Code 39 barcode generation for all printers with checksum digit automatically calculated and added
  • Compatible with Code 39 ISO / IEC 16388 barcode symbology specification for scannable image output
  • Draw Code 39 graphics and save locally in Png, Gif, Jpeg/Jpg, Bmp/Bitmap image formats
Code 39, also named 3 of 9 Code, USD-3, Alpha39, Code 3/9, Type 39, USS Code39, is a self-checking linear bar code which encodes alphanumeric data. Code 39 is widely used in non-retail industries.
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Code 39 barcode maker for NET is simple to be installed into your VB.NET projects, which can efficiently generate, create Code 39, as well as other linear, bidimensional barcode symbologies in ASP.NET, WinForms, Crystal Reports, VB.NET class library. The generated Code 39 barcodes may be encoded into multiple image formats, including GIF, BMP, PNG, JPEG, and TIFF. Below is some VB sample codings for Code 39 barcode size and data character settings:
Code 39 Image Setting in KA.Barcode Generator for .NET Suite

How to Install KA.Barcode Generator for .NET Suite

  1. 1.
  2. 2.
    Copy KeepAutomation.Barcode.Windows.dll or KeepAutomation.Barcode.Web.dll to your VB.NET project folder
  3. 3.
    Open Microsoft Visual Studio; choose "Add Reference" in "Project"
  4. 4.
    Browse KeepAutomation.Barcode.Windows.dll or KeepAutomation.Barcode.Web.dll
  5. 5.
    Now you will see "KeepAutomation.Barcode.Web" or "KeepAutomation.Barcode.Windows" under your references
Copy the following VB.NET barcode program onto you forms to make a 3 of 9 barcode:
Dim barcode As KeepAutomation.Barcode.Bean.BarCode = New KeepAutomation.Barcode.Bean.BarCode
barcode.Symbology= KeepAutomation.Barcode.Symbology.Code39
barcode.CodeToEncode = "Code 39"
barcode.generateBarcodeToImageFile("C://barcode-code39-vbnet.gif")

Colorize Code 39 Barcode Background & Foreground

For some purpose, users need colorful barcodes. With KA.Barcode Generator for .NET Suite, you can easily change Code 39 barcode background and foreground color to suit their needs with "BackColor" & "ForeColor" properties; and the default values are "White" and "Black" respectively.
barcode.BackColor = Color.White
barcode.ForeColor = Color.Blue

Change Code 39 Barcode Image Resolution

KA.Barcode Generator for .NET Suite is used to display high quality barcode images in VB.NET Web Applications. The default resolution of Code 39 generated by KA.Barcode Generator for .NET Suite is 72 DPI. DPI is short for Dots per Inch.
barcode.DPI = 72

Adjust Code 39 Barcode Image format

KA.Barcode Generator for .NET Suite supports most major image format, like GIF, TIFF, JPEG/JPG, BMP, PNG, to save Code 39 barcode image in your ASP.NET applications. User may change image format within "ImageFormat". The default is "Gif".
barcode.ImageForamt = ImageFormat.Gif

Customize Code 39 Barcode Image Orientation

Users can also change the generated Code 39 barcode image position, for KA.Barcode Generator for .NET Suite allows rotating generated Code 39 images in 0, 90, 180, or 270 degrees. To enable this functionality, simply follow the VB.NET sample code below:
barcode.Orientation = KeepAutomation.Barcode.Orientation.Degree0