Create ComboBox in PDF form | C#ByteScout PDF SDK

Create ComboBox in PDF form | C#

Program.cs:

C#
using System.Diagnostics;
using Bytescout.PDF;

namespace ComboBoxes
{
    /// <summary>
    /// This example demonstrates how to create and decorate comboboxes.
    /// </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 dropdown box (not editable combobox)
            ComboBox comboBox1 = new ComboBox(20, 20, 150, 25, "comboBox1");
            comboBox1.Font.Size = 12;
            comboBox1.BorderColor = new ColorRGB(0, 0, 128);
            comboBox1.BackgroundColor = new ColorRGB(220, 220, 255);
            comboBox1.BorderWidth = 2;
            comboBox1.Text = "Select item";
            comboBox1.Items.Add("Item 1");
            comboBox1.Items.Add("Item 2");
            comboBox1.Items.Add("Item 3");
            page.Annotations.Add(comboBox1);

            // Add editable combobox
            ComboBox comboBox2 = new ComboBox(20, 50, 150, 25, "comboBox2");
            comboBox2.Editable = true;
            comboBox2.Font.Size = 12;
            comboBox2.BorderColor = new ColorRGB(0, 128, 0);
            comboBox2.BackgroundColor = new ColorRGB(220, 255, 220);
            comboBox1.BorderWidth = 2;
            comboBox2.Text = "Editable ComboBox";
            comboBox2.Items.Add("Item 1");
            comboBox2.Items.Add("Item 2");
            comboBox2.Items.Add("Item 3");
            page.Annotations.Add(comboBox2);

            // 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);
        }
    }
}