Create RadioButton in PDF form - C#
PDF SDK sample in C# demonstrating ‘Create RadioButton in PDF form’
Program.cs
using System.Diagnostics;
using Bytescout.PDF;
namespace RadioButtons
{
/// <summary>
/// This example demonstrates how to create radio buttons.
/// </summary>
class Program
{
static void Main()
{
// Create new document
Document pdfDocument = new Document();
pdfDocument.RegistrationName = "demo";
pdfDocument.RegistrationKey = "demo";
// If you wish to load an existing document uncomment the line below and comment the Add page section instead
// pdfDocument.Load(@".\existing_document.pdf");
// Add page
Page page = new Page(PaperFormat.A4);
pdfDocument.Pages.Add(page);
Font font = new Font(StandardFonts.Times, 12);
SolidBrush brush = new SolidBrush();
// Add a group of radio buttons
RadioButton radioButton1 = new RadioButton(20, 20, 15, 15, "group1", "value1");
RadioButton radioButton2 = new RadioButton(20, 40, 15, 15, "group1", "value2");
page.Annotations.Add(radioButton1);
page.Annotations.Add(radioButton2);
// Add labels
page.Canvas.DrawString("Value 1.1", font, brush, 40, 20);
page.Canvas.DrawString("Value 1.2", font, brush, 40, 40);
// Add another independent group of radio buttons
RadioButton radioButton3 = new RadioButton(120, 20, 15, 15, "group2", "value3");
RadioButton radioButton4 = new RadioButton(120, 40, 15, 15, "group2", "value4");
page.Annotations.Add(radioButton3);
page.Annotations.Add(radioButton4);
// Add labels
page.Canvas.DrawString("Value 2.1", font, brush, 140, 20);
page.Canvas.DrawString("Value 2.2", font, brush, 140, 40);
// Save document to file
pdfDocument.Save("result.pdf");
// Cleanup
pdfDocument.Dispose();
// Open result document in default associated application (for demo purpose)
ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}
}
}