Example_26

Using the CheckBox and RadioButton components.
Example_26.pdf — the PDF this example creates.
/*
 * Example_26.cs
 *
 * Copyright (c) 2026 PDFjet Software
 * Licensed under the MIT License. See LICENSE file in the project root.
 */
using System;
using System.IO;
using System.Diagnostics;
using PDFjet.NET;

/**
 * Example_26.cs
 */
public class Example_26 {
    public Example_26() {
        PDF pdf = new PDF(new BufferedStream(
                new FileStream("Example_26.pdf", FileMode.Create)));

        Font f1 = new Font(pdf, IBMPlexSans.Bold);
        f1.SetSize(10f);

        Page page = new Page(pdf, Letter.PORTRAIT);

        float x = 50f;
        float y = 50f;

        new CheckBox(f1, "Hello")
                .SetLocation(x, y)
                .SetCheckmarkColor(Color.blue)
                .Check(Mark.CHECK)
                .DrawOn(page);

        y += 30f;
        new CheckBox(f1, "World!")
                .SetLocation(x, y)
                .SetCheckmarkColor(Color.blue)
                .SetURIAction("http://pdfjet.com")
                .Check(Mark.CHECK)
                .DrawOn(page);

        y += 30f;
        new CheckBox(f1, "This is a test.")
                .SetLocation(x, y)
                .SetURIAction("http://pdfjet.com")
                .DrawOn(page);

        y += 30f;
        new RadioButton(f1, "Hello, World!")
                .SetLocation(x, y)
                .Select(true)
                .DrawOn(page);

        float[] xy = (new RadioButton(f1, "Yes"))
                .SetLocation(x + 100f, 50f)
                .SetURIAction("http://pdfjet.com")
                .Select(true)
                .DrawOn(page);

        xy = (new RadioButton(f1, "No"))
                .SetLocation(xy[0], 50f)
                .DrawOn(page);

        xy = (new CheckBox(f1, "Hello"))
                .SetLocation(xy[0], 50f)
                .SetCheckmarkColor(Color.blue)
                .Check(Mark.X)
                .DrawOn(page);

        xy = (new CheckBox(f1, "Yahoo")
                .SetLocation(xy[0], 50f)
                .SetCheckmarkColor(Color.blue)
                .Check(Mark.CHECK)
                .DrawOn(page));

        Rect rect = new Rect(xy[0], xy[1], 20f, 20f);
        rect.SetBorderColor(Color.black);
        rect.DrawOn(page);

        pdf.Complete();
    }

    public static void Main(String[] args) {
        Stopwatch sw = Stopwatch.StartNew();
        long time0 = sw.ElapsedMilliseconds;
        new Example_26();
        long time1 = sw.ElapsedMilliseconds;
        sw.Stop();
        Console.WriteLine($"Example_26 => {time1 - time0,4} ms");
    }
}   // End of Example_26.cs