Use C# Code to Generate QR Code in Windows Forms

• Mature C#.NET WinForms QR Code barcode generating control since 2003
• Written in managed C# & compatible with main .NET development platforms
• Generate QR Code barcode in Windows Forms Controller & C# class WinForms
• Adjust generated QR Code property settings using C# class in Windows Forms
• Generated QR Code barcode images meet international & latest industry standards
• Offer flexible & loyalty-free developer licenses for C#.NET programmers

WinForms C# QR Code Barcode Generator - Requirement

• BarcodeLib.Barcode.WinForms.dll
• Microsoft .NET Framework 2.0 or above
• Visual Studio .NET 2005 or above

.NET Windows Forms Controller - C# QR Code Generation

1. Add "BarcodeLib.Barcode.WinForms.dll" to your WinForms C# project Toolbox.
   Right click "Toolbox", select "Choose Items...", and locate "BarcodeLib.Barcode.WinForms.dll". Then, you'll find four new-added components, including "QRCodeWinForm".
2. Under "barcode" folder of the trial package, copy files "qrcode.aspx", "qrcode.aspx.cs" to your WinForms project folder.
3. Drag "QRCodeWinForm" to aspx page and then run the project to see the generated QR Code image.
4. If you want to customize the QR Code image properties, you may directly adjust the settings in the "Properties" window or using following C# class code.

     this.QRCodeASPNET1.Data = "QRCODE";
     this.QRCodeASPNET1.ModuleSize = 2;
     this.QRCodeASPNET1.LeftMargin = 8;
     this.QRCodeASPNET1.RightMargin = 8;
     this.QRCodeASPNET1.TopMargin = 8;
     this.QRCodeASPNET1.BottomMargin = 8;
     this.QRCodeASPNET1.ECL = BarcodeLib.Barcode.QRCodeErrorCorrectionLevel.M;

.NET WinForms Class - QR Code Barcode Generation Using C#

1. Add "BarcodeLib.Barcode.WinForms.dll" to your Windows Forms C# project "Reference".
   In Solution Explorer window, right click on your project, select "Add Reference...", and locate "BarcodeLib.Barcode.WinForms.dll".
2. Then, copy & paste following Visual C# sample code to generate & print QR Code in your .NET Windows Forms projects.

     QRCode qrcode = new QRCode();
     qrcode.Data = "QRCODE";
     qrcode.ModuleSize = 4;
     qrcode.ECL = QRCodeErrorCorrectionLevel.L;
     qrcode.ImageHeight = 118;
     qrcode.ImageWidth = 118;

     // Save & output QR Code barcode image to your system
     qrcode.ImageFormat = System.Drawing.Imaging.ImageFormat.Gif;
     qrcode.drawBarcode("C:/sample-qrcode.gif");

Barcode for .NET WinForms - Create Linear & Matrix Barcodes