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Merge pull request #1 from SyncfusionExamples/Form-Field
834148 Added Sample and README.md file for Form Field
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‎FormFieldSample/FormFieldSample.sln‎

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# Visual Studio Version 17
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FormFieldSample", "FormFieldSample\FormFieldSample.csproj", "{3E766E28-20B2-46B2-B843-B1422A5D0466}"
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Global
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‎FormFieldSample/FormFieldSample/FormFieldSample.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Pdf.Net.Core" Version="21.2.4" />
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</ItemGroup>
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</Project>

‎FormFieldSample/FormFieldSample/Output_images/CreateFormPDF.png‎

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‎FormFieldSample/FormFieldSample/Output_images/FilledPDF.png‎

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‎FormFieldSample/FormFieldSample/Program.cs‎

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using Syncfusion.Pdf;
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using Syncfusion.Pdf.Interactive;
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using Syncfusion.Pdf.Graphics;
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using Syncfusion.Drawing;
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using Syncfusion.Pdf.Parsing;
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namespace FormFieldSample {
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internal class Program {
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static void Main(string[] args) {
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Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("Mgo+DSMBMAY9C3t2VFhhQlVEfV5AQmBIYVp/TGpJfl96cVxMZVVBJAtUQF1hSn5Qd0FjUH5fdX1RR2ZZ ");
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CreateForm();
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FillForm();
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}
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static void CreateForm() {
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//Create a new PDF document.
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PdfDocument document = new PdfDocument();
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//Add a new page to the PDF document.
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PdfPage page = document.Pages.Add();
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//Set the font.
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PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 16);
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//Draw the text.
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page.Graphics.DrawString("Job Application", font,PdfBrushes.Black, new PointF(250,0));
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font = new PdfStandardFont(PdfFontFamily.Helvetica, 12);
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page.Graphics.DrawString("Name", font, PdfBrushes.Black, new PointF(10, 20));
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//Create a textbox field and add the properties.
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PdfTextBoxField textBoxField1 = new PdfTextBoxField(page, "Name");
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textBoxField1.Bounds = new RectangleF(10, 40, 200, 20);
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textBoxField1.ToolTip = "Name";
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//Add the form field to the document.
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document.Form.Fields.Add(textBoxField1);
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page.Graphics.DrawString("Email address", font, PdfBrushes.Black, new PointF(10, 80));
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//Create a textbox field and add the properties.
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PdfTextBoxField textBoxField2 = new PdfTextBoxField(page, "Email address");
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textBoxField2.Bounds = new RectangleF(10, 100, 200, 20);
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textBoxField2.ToolTip = "Email address";
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//Add the form field to the document.
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document.Form.Fields.Add(textBoxField2);
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page.Graphics.DrawString("Phone", font, PdfBrushes.Black, new PointF(10, 140));
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//Create a textbox field and add the properties.
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PdfTextBoxField textBoxField3 = new PdfTextBoxField(page, "Phone");
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textBoxField3.Bounds = new RectangleF(10, 160, 200, 20);
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textBoxField3.ToolTip = "Phone";
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//Add the form field to the document.
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document.Form.Fields.Add(textBoxField3);
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page.Graphics.DrawString("Gender", font, PdfBrushes.Black, new PointF(10, 200));
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//Create a Radio button.
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PdfRadioButtonListField employeesRadioList = new PdfRadioButtonListField(page, "Gender");
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//Add the radio button into form.
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document.Form.Fields.Add(employeesRadioList);
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//Create radio button items.
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page.Graphics.DrawString("Male", font, PdfBrushes.Black, new PointF(40, 220));
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PdfRadioButtonListItem radioButtonItem1 = new PdfRadioButtonListItem("Male");
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radioButtonItem1.Bounds = new RectangleF(10, 220, 20, 20);
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page.Graphics.DrawString("Female", font, PdfBrushes.Black, new PointF(140, 220));
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PdfRadioButtonListItem radioButtonItem2 = new PdfRadioButtonListItem("Female");
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radioButtonItem2.Bounds = new RectangleF(110, 220, 20, 20);
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//Add the items to radio button group.
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employeesRadioList.Items.Add(radioButtonItem1);
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employeesRadioList.Items.Add(radioButtonItem2);
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//Create file stream.
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using (FileStream outputFileStream= new FileStream("Output.pdf", FileMode.Create, FileAccess.ReadWrite)) {
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//Save the PDF document to file stream.
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document.Save(outputFileStream);
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}
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//Close the document.
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document.Close(true);
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}
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static void FillForm() {
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//Get stream from an existing PDF document.
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FileStream docStream = new FileStream("Output.pdf", FileMode.Open, FileAccess.Read);
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//Load the existing PDF document.
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PdfLoadedDocument loadedDocument = new PdfLoadedDocument(docStream);
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//Load the form from the loaded document.
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PdfLoadedForm form = loadedDocument.Form;
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//Load the form field collections from the form.
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PdfLoadedFormFieldCollection fieldCollection = form.Fields as PdfLoadedFormFieldCollection;
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PdfLoadedField loadedField = null;
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//Get the field using TryGetField Method.
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if (fieldCollection.TryGetField("Name", out loadedField)) {
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(loadedField as PdfLoadedTextBoxField).Text = "Simons";
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}
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if (fieldCollection.TryGetField("Email address", out loadedField)) {
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(loadedField as PdfLoadedTextBoxField).Text = "simonsbistro@outlook.com";
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}
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if (fieldCollection.TryGetField("Phone", out loadedField)) {
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(loadedField as PdfLoadedTextBoxField).Text = "31 12 34 56";
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}
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if (fieldCollection.TryGetField("Gender", out loadedField)) {
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(loadedField as PdfLoadedRadioButtonListField).SelectedIndex = 0;
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}
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//Flatten the whole form.
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form.Flatten=true;
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//Create file stream.
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using (FileStream outputFileStream = new FileStream("FilledPDF.pdf", FileMode.Create, FileAccess.ReadWrite)) {
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//Save the PDF document to file stream.
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loadedDocument.Save(outputFileStream);
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}
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//Close the document.
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loadedDocument.Close(true);
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}
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}
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}

‎README.md‎

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# how-to-create-fill-and-flatten-PDF-form-fields-in-net
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How to Create, Fill, and Flatten PDF Form Fields in .NET using the PDF Library
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# How to Create, Fill, and Flatten PDF Form Fields in .NET using the Syncfusion PDF Library
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## Introduction
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A quick start .NET console project that shows how to create, fill, and flatten PDF form fields using the Syncfusion PDF Library.
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## System requirement
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**Framework and SDKs**
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* .NET SDK (version 5.0 or later)
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**IDEs**
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* Visual Studio 2019/ Visual Studio 2022
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## Code snippet for Create, Fill, and Flatten PDF Form Fields
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We will create a new .NET console application, add the Syncfusion PDF library package, and write the code
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```csharp
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static void CreateForm()
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{
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//Create a new PDF document.
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PdfDocument document = new PdfDocument();
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//Add a new page to the PDF document.
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PdfPage page = document.Pages.Add();
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//Set the font.
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PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 16);
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//Draw the text.
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page.Graphics.DrawString("Job Application", font, PdfBrushes.Black, new PointF(250, 0));
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font = new PdfStandardFont(PdfFontFamily.Helvetica, 12);
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page.Graphics.DrawString("Name", font, PdfBrushes.Black, new PointF(10, 20));
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//Create a textbox field and add the properties.
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PdfTextBoxField textBoxField1 = new PdfTextBoxField(page, "Name");
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textBoxField1.Bounds = new RectangleF(10, 40, 200, 20);
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textBoxField1.ToolTip = "Name";
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//Add the form field to the document.
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document.Form.Fields.Add(textBoxField1);
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page.Graphics.DrawString("Email address", font, PdfBrushes.Black, new PointF(10, 80));
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//Create a textbox field and add the properties.
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PdfTextBoxField textBoxField2 = new PdfTextBoxField(page, "Email address");
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textBoxField2.Bounds = new RectangleF(10, 100, 200, 20);
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textBoxField2.ToolTip = "Email address";
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//Add the form field to the document.
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document.Form.Fields.Add(textBoxField2);
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page.Graphics.DrawString("Phone", font, PdfBrushes.Black, new PointF(10, 140));
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//Create a textbox field and add the properties.
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PdfTextBoxField textBoxField3 = new PdfTextBoxField(page, "Phone");
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textBoxField3.Bounds = new RectangleF(10, 160, 200, 20);
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textBoxField3.ToolTip = "Phone";
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//Add the form field to the document.
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document.Form.Fields.Add(textBoxField3);
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page.Graphics.DrawString("Gender", font, PdfBrushes.Black, new PointF(10, 200));
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//Create a Radio button.
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PdfRadioButtonListField employeesRadioList = new PdfRadioButtonListField(page, "Gender");
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//Add the radio button into form.
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document.Form.Fields.Add(employeesRadioList);
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page.Graphics.DrawString("Male", font, PdfBrushes.Black, new PointF(40, 220));
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//Create radio button items.
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PdfRadioButtonListItem radioButtonItem1 = new PdfRadioButtonListItem("Male");
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radioButtonItem1.Bounds = new RectangleF(10, 220, 20, 20);
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page.Graphics.DrawString("Female", font, PdfBrushes.Black, new PointF(140, 220));
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PdfRadioButtonListItem radioButtonItem2 = new PdfRadioButtonListItem("Female");
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radioButtonItem2.Bounds = new RectangleF(110, 220, 20, 20);
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//Add the items to radio button group.
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employeesRadioList.Items.Add(radioButtonItem1);
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employeesRadioList.Items.Add(radioButtonItem2);
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//Create file stream.
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using (FileStream outputFileStream = new FileStream("Output.pdf", FileMode.Create, FileAccess.ReadWrite))
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{
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//Save the PDF document to file stream.
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document.Save(outputFileStream);
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}
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//Close the document.
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document.Close(true);
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}
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static void FillForm()
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{
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//Get stream from an existing PDF document.
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FileStream docStream = new FileStream("Output.pdf", FileMode.Open, FileAccess.Read);
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//Load the existing PDF document.
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PdfLoadedDocument loadedDocument = new PdfLoadedDocument(docStream);
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//Load the form from the loaded document.
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PdfLoadedForm form = loadedDocument.Form;
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//Load the form field collections from the form.
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PdfLoadedFormFieldCollection fieldCollection = form.Fields as PdfLoadedFormFieldCollection;
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PdfLoadedField loadedField = null;
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//Get the field using TryGetField Method.
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if (fieldCollection.TryGetField("Name", out loadedField)) {
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(loadedField as PdfLoadedTextBoxField).Text = "Simons";
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}
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if (fieldCollection.TryGetField("Email address", out loadedField)) {
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(loadedField as PdfLoadedTextBoxField).Text = "simonsbistro@outlook.com";
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}
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if (fieldCollection.TryGetField("Phone", out loadedField)) {
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(loadedField as PdfLoadedTextBoxField).Text = "31 12 34 56";
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}
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if (fieldCollection.TryGetField("Gender", out loadedField)) {
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(loadedField as PdfLoadedRadioButtonListField).SelectedIndex = 0;
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}
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//Flatten the whole form.
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form.Flatten = true;
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//Create file stream.
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using (FileStream outputFileStream = new FileStream("FilledPDF.pdf", FileMode.Create, FileAccess.ReadWrite)) {
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//Save the PDF document to file stream.
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loadedDocument.Save(outputFileStream);
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}
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//Close the document.
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loadedDocument.Close(true);
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}
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```
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**Output Image**
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**CreateFormPDF**
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<img src="FormFieldSample/FormFieldSample/Output_images/CreateFormPDF.png" alt="Output_Image" width="100%" Height="Auto"/>
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**FilledPDF**
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<img src="FormFieldSample/FormFieldSample/Output_images/FilledPDF.png" alt="output_image" width="100%" Height="Auto"/>
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## How to run the examples
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* Download this project to a location in your disk.
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* Open the solution file using Visual Studio.
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* Rebuild the solution to install the required NuGet package.
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* Run the application.
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## Resources
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* **Product page:** [Syncfusion PDF Framework](https://www.syncfusion.com/document-processing/pdf-framework/net)
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* **Documentation page:** [Syncfusion .NET PDF library](https://help.syncfusion.com/file-formats/pdf/overview)
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* **Online demo:** [Syncfusion .NET PDF library - Online demos](https://ej2.syncfusion.com/aspnetcore/PDF/CompressExistingPDF#/bootstrap5)
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* **Blog:** [Syncfusion .NET PDF library - Blog](https://www.syncfusion.com/blogs/category/pdf)
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* **Knowledge Base:** [Syncfusion .NET PDF library - Knowledge Base](https://www.syncfusion.com/kb/windowsforms/pdf)
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* **EBooks:** [Syncfusion .NET PDF library - EBooks](https://www.syncfusion.com/succinctly-free-ebooks)
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* **FAQ:** [Syncfusion .NET PDF library - FAQ](https://www.syncfusion.com/faq/)
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## Support and feedback
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* For any other queries, reach our [Syncfusion support team](https://www.syncfusion.com/support/directtrac/incidents/newincident?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples) or post the queries through the [community forums](https://www.syncfusion.com/forums?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples).
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* Request new feature through [Syncfusion feedback portal](https://www.syncfusion.com/feedback?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples).
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## License
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This is a commercial product and requires a paid license for possession or use. Syncfusion’s licensed software, including this component, is subject to the terms and conditions of [Syncfusion's EULA](https://www.syncfusion.com/eula/es/?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples). You can purchase a licnense [here](https://www.syncfusion.com/sales/products?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples) or start a free 30-day trial [here](https://www.syncfusion.com/account/manage-trials/start-trials?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples).
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## About Syncfusion
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Founded in 2001 and headquartered in Research Triangle Park, N.C., Syncfusion has more than 26,000+ customers and more than 1 million users, including large financial institutions, Fortune 500 companies, and global IT consultancies.
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Today, we provide 1600+ components and frameworks for web ([Blazor](https://www.syncfusion.com/blazor-components?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [ASP.NET Core](https://www.syncfusion.com/aspnet-core-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [ASP.NET MVC](https://www.syncfusion.com/aspnet-mvc-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [ASP.NET WebForms](https://www.syncfusion.com/jquery/aspnet-webforms-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [JavaScript](https://www.syncfusion.com/javascript-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [Angular](https://www.syncfusion.com/angular-ui-components?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [React](https://www.syncfusion.com/react-ui-components?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [Vue](https://www.syncfusion.com/vue-ui-components?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), and [Flutter](https://www.syncfusion.com/flutter-widgets?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples)), mobile ([Xamarin](https://www.syncfusion.com/xamarin-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [Flutter](https://www.syncfusion.com/flutter-widgets?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [UWP](https://www.syncfusion.com/uwp-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), and [JavaScript](https://www.syncfusion.com/javascript-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples)), and desktop development ([WinForms](https://www.syncfusion.com/winforms-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [WPF](https://www.syncfusion.com/wpf-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [WinUI(Preview)](https://www.syncfusion.com/winui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples), [Flutter](https://www.syncfusion.com/flutter-widgets?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples) and [UWP](https://www.syncfusion.com/uwp-ui-controls?utm_source=github&utm_medium=listing&utm_campaign=github-docio-examples)). We provide ready-to-deploy enterprise software for dashboards, reports, data integration, and big data processing. Many customers have saved millions in licensing fees by deploying our software.

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