ByteScout PDF SDK – C# – Fill Form W-9

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ByteScout PDF SDK – C# – Fill Form W-9

printable version:
ByteScout-PDF-SDK-C-sharp-Fill-Form-W-9.pdf

fill form W 9 in C# and ByteScout PDF SDK

Make fill form W 9 in C#

Tutorial on how to do fill form W 9 in C#

The coding tutorials are designed to help you test the features without need to write your own code. ByteScout PDF SDK was made to help with fill form W 9 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.

C#, code samples for C#, developers help to speed up the application development and writing a code when using ByteScout PDF SDK. C# sample code is all you need: copy and paste the code to your C# application’s code editor, add a reference to ByteScout PDF SDK (if you haven’t added yet) and you are ready to go! Test C# sample code examples whether they respond your needs and requirements for the project.

ByteScout PDF SDK is available as free trial. You may get it from our website along with all other source code samples for C# applications.

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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_1[0]", "John J Smith" }, // Name
                { "f1_2[0]", "12 Palm st., Hill Valley, CA 12345" } // Business address
           };

            // Load PDF form
            Document pdfDocument = new Document(@".\W-9.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);
        }
    }
}