How to generate 2D barcodes like DataMatrix & PDF417 in C# windows form application.

1. Open Microsoft Visual Studio.
2. Create a Windows Forms application using the installed project template in C#.
3. Copy KeepAutomation.Barcode.Windows.dll to your WinForms project folder (There is no need to copy the dll to .NET bin directory for Visual Studio will do so).
4. Add BarcodeControl to your Visual Studio Toolbox.
5. Find component BarcodeControl in the Toolbox, drag and drop it to your forms in C#.NET IDE.
6. Drag a button to the form and double click to write the following C# demo code.

And free sample code that might be helpful:

     BarCode barcode = new BarCode();
     barcode.Symbology = KeepAutomation.Barcode.Symbology.UPCA;
     barcode.CodeToEncode = "12457182140";
     barcode.X = 2;
     barcode.Y = 30;
     barcode.TopMargin = 10;
     barcode.BottomMargin = 10;
     barcode.LeftMargin = 10;
     barcode.RightMargin = 10;
     barcode.DisplayText = true;
     barcode.DisplayStartStop = true;
     barcode.BarcodeUnit = KeepAutomation.Barcode.BarcodeUnit.Pixel;
     barcode.Orientation = KeepAutomation.Barcode.Orientation.Degree90;
     barcode.DPI = 72;
     barcode.ImageFormat = ImageFormat.Bmp;
     barcode.generateBarcodeToImageFile("C://barcode-upca-csharp.bmp");

using BusinessRefinery.Barcode;

PDF417 barcode = new PDF417();
barcode.Code = "PDF-417";
barcode.Resolution = 104;
barcode.Rotate = Rotate.Rotate180;
barcode.Format = ImageFormat.Gif;
barcode.drawBarcode2ImageFile("c:/pdf-417-csharp.gif");