ByteScout PDF SDK – C# – Fill Form W-4

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ByteScout PDF SDK – C# – Fill Form W-4

printable version:
ByteScout-PDF-SDK-C-sharp-Fill-Form-W-4.pdf

fill form W 4 in C# using ByteScout PDF SDK

How To: tutorial on fill form W 4 in C#

ByteScout tutorials explain the material for programmers who use C#. ByteScout PDF SDK was made to help with fill form W 4 in C#. ByteScout PDF SDK is the pdf library that can create, update and modify PDF files. Supports text with fonts and style selections, layers, form fields, drawing lines and objects, automatic tables, images. Can be used to create and fill pdf forms.

You will save a lot of time on writing and testing code as you may just take the code below and use it in your application. Follow the instruction from the scratch to work and copy and paste code for C# into your editor. Test C# sample code examples whether they respond your needs and requirements for the project.

Trial version can be obtained from our website for free. It includes this and other source code samples for C#.

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Program.cs

      using System;
using System.Collections.Generic;
using System.Diagnostics;
using Bytescout.PDF;

namespace FillFormExample
{
    /// <summary>
    /// This example demonstrates how to fill PDF form programmatically.
    /// </summary>
    class Program
    {
        static void Main()
        {
            // Map of form fields and sample values to set
            Dictionary<string, object> fieldMap = new Dictionary<string, object>()
            {
                               { "f1_01[0]", "John J" }, // FirstName and middle initial
                               { "f1_02[0]", "Smith" }, // LastName
                               { "f1_03[0]", "111-111-3333" }, // Security number
                               { "f1_04[0]", "12 Palm st., Hill Valley" }, // Home address
                               { "f1_05[0]", "CA 12345" }, // City, Town, State and ZIP
                               { "c1_1[1]", "True" }, // Married
                               { "f1_06[0]", "123" }, // Total number of allowance
                               { "f1_07[0]", "443.44" }, // Additional amount
                               { "f1_09[0]", "Google, Somewhere in CA" }, // Employer's name and address
                               { "f1_10[0]", "12-3-2012" }, // First date of employment
                               { "f1_11[0]", "EMP223344" } // Employer identification number
           };

            // Load PDF form
            Document pdfDocument = new Document(@".\W-4.pdf");
            pdfDocument.RegistrationName = "demo";
            pdfDocument.RegistrationKey = "demo";

            // Get first page
            Page page = pdfDocument.Pages[0];

            // Get widget by its name and change value
            foreach (KeyValuePair<string, object> keyValuePair in fieldMap)
            {
                Annotation annotation = page.Annotations[keyValuePair.Key];

                if (annotation is CheckBox)
                {
                    ((CheckBox)annotation).Checked = Convert.ToBoolean(keyValuePair.Value);
                }
                else if (annotation is EditBox)
                {
                    ((EditBox)annotation).Text = (string)keyValuePair.Value;
                }
            }

            // Save modified document
            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);
        }
    }
}