ByteScout PDF SDK – C# – Create Checkbox In PDF Form

Home
/
Articles
/
ByteScout PDF SDK – C# – Create Checkbox In PDF Form

printable version:
ByteScout-PDF-SDK-C-sharp-Create-Checkbox-In-PDF-Form.pdf

How to create checkbox in PDF form in C# with ByteScout PDF SDK

This tutorial will show how to create checkbox in PDF form in C#

The code below will help you to implement an C# app to create checkbox in PDF form. ByteScout PDF SDK is the library for pdf documents generation, modification and updates. Can also generate and fill PDF forms. Provides support for text (fonts, style, size, font family), layers, pdf form fields, vector and raster drawings and you can use it to create checkbox in PDF form with C#.

C# code samples for C# developers help to speed up coding of your application when using ByteScout PDF SDK. In your C# project or application you may simply copy & paste the code and then run your app! Enjoy writing a code with ready-to-use sample codes in C#.

ByteScout free trial version is available for download from our website. It includes all these programming tutorials along with source code samples.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Program.cs

      using System.Diagnostics;
using Bytescout.PDF;

namespace CheckBoxes
{
    /// <summary>
    /// This example demonstrates how to create checkboxes.
    /// </summary>
    class Program
    {
        static void Main()
        {
            // Create new document
            Document pdfDocument = new Document();
            pdfDocument.RegistrationName = "demo";
            pdfDocument.RegistrationKey = "demo";
            // Add page
            Page page = new Page(PaperFormat.A4);
            pdfDocument.Pages.Add(page);

            // Add unchecked checkbox
            CheckBox checkBox1 = new CheckBox(20, 20, 15, 15, "checkBox1");
            page.Annotations.Add(checkBox1);
            
            // Add checked checkbox
            CheckBox checkBox2 = new CheckBox(20, 40, 15, 15, "checkBox2");
            checkBox2.Checked = true;
            page.Annotations.Add(checkBox2);
            
            // Add readonly checkbox
            CheckBox checkBox3 = new CheckBox(20, 60, 15, 15, "checkBox3");
            checkBox3.Checked = true;
            checkBox3.ReadOnly = true;
            page.Annotations.Add(checkBox3);
            
            // Draw text labels
            Font font = new Font(StandardFonts.Times, 12);
            Brush brush = new SolidBrush();
            page.Canvas.DrawString("Unchecked box", font, brush, 45, 20);
            page.Canvas.DrawString("Checked box", font, brush, 45, 40);
            page.Canvas.DrawString("Read-only checked box", font, brush, 45, 60);
            
            // 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);
        }
    }
}