PDF Forms. Manage via C#

Manage Acroforms in PDF document using Aspose.PDF for .NET Library

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How to Manage PDF Forms Using .NET Library

In order to add PDF Forms (Acroforms) in a PDF file, we’ll use Aspose.PDF for .NET API, which is feature-rich, powerful, and easy-to-use document manipulation API for net platform. Open NuGet package manager, search for Aspose.PDF and install. You may also use the following command from the Package Manager Console.

Package Manager Console

PM > Install-Package Aspose.PDF

How to Create PDF Forms using C#

You need Aspose.PDF for .NET to try the code in your environment.

  1. Load PDF in an instance of Document class.
  2. Access the Page via its index.
  3. Call the Form collection’s Add method.
  4. Create the form field you want to add.
  5. Save the PDF file.

Create PDF Forms in PDF - C#

This sample code shows how to Create PDF Forms in PDF using C#

var inputFile = Path.Combine(dataDir, "sample.pdf");
var outputFile = Path.Combine(dataDir, "sample_out.pdf");
var pdfDocument = new Aspose.Pdf.Document(inputFile);

// Create a field
var textBoxField = new Aspose.Pdf.Forms.TextBoxField(
    pdfDocument.Pages[1],
    new Aspose.Pdf.Rectangle(100, 200, 300, 300)
    )
{
    PartialName = "textbox1",
    Value = "Text Box"
};

var border = new Aspose.Pdf.Annotations.Border(textBoxField)
{
    Width = 5,
    Dash = new Aspose.Pdf.Annotations.Dash(1, 1)
};
textBoxField.Border = border;
textBoxField.Color = Aspose.Pdf.Color.Green;

pdfDocument.Form.Add(textBoxField, 1);
pdfDocument.Save(outputFile);