Rellenar AcroForm - Rellenar formulario PDF usando C#

El siguiente fragmento de código también funciona con la biblioteca Aspose.PDF.Drawing.

Rellenar campo de formulario en un documento PDF

Para completar un campo de formulario, obtén el campo de la colección Form del objeto Document y establece su valor utilizando la propiedad apropiada para el tipo de campo (como Value para campos de texto, Checked para casillas de verificación o Selected para cuadros de lista).

En este ejemplo, se seleccionan varios campos y se establecen sus propiedades.

.NET Core 3.1

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void FillFormField()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_Forms();

    // Open PDF document
    using (var document = new Aspose.Pdf.Document(dataDir + "DocumentWithSomeFields.pdf"))
    {
        // Set value for TextBoxField
        var textBoxField = document.Form["textField"] as Aspose.Pdf.Forms.TextBoxField;
        textBoxField.Value = "Value to be filled in the field";

        // Add option for ListBoxField and select it
        var listBoxField = document.Form["listField"] as Aspose.Pdf.Forms.ListBoxField;
        listBoxField.AddOption("Orange");
        listBoxField.Selected = listBoxField.Options.Count;

        // Set check for CheckboxField
        var checkboxField = document.Form["checkField"] as Aspose.Pdf.Forms.CheckboxField;
        checkboxField.Checked = true;

        // Set check for first option of RadioButtonField
        var radioField = document.Form["radioGroup"] as Aspose.Pdf.Forms.RadioButtonField;
        radioField.Options[1].Selected = true;

        // Save PDF document
        document.Save(dataDir + "DocumentWithSomeFields_out.pdf");
    }
}

.NET 8

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void FillFormField()
{
    // The path to the documents directory
    var dataDir = RunExamples.GetDataDir_AsposePdf_Forms();

    // Open PDF document
    using var document = new Aspose.Pdf.Document(dataDir + "DocumentWithSomeFields.pdf");

    // Set value for TextBoxField
    var textBoxField = document.Form.OfType<Aspose.Pdf.Forms.TextBoxField>().First();
    textBoxField.Value = "Value to be filled in the field";

    // Add option for ListBoxField and select it
    var listBoxField = document.Form.OfType<Aspose.Pdf.Forms.ListBoxField>().First();
    listBoxField.AddOption("Orange");
    listBoxField.Selected = listBoxField.Options.Count;

    // Set check for CheckboxField
    var checkboxField = document.Form.OfType<Aspose.Pdf.Forms.CheckboxField>().First();
    checkboxField.Checked = true;

    // Set check for first option of RadioButtonField
    var radioField = document.Form.OfType<Aspose.Pdf.Forms.RadioButtonField>().First();
    radioField.Options[1].Selected = true;

    // Save PDF document
    document.Save(dataDir + "DocumentWithSomeFields_out.pdf");
}