public virtual void GetFieldsForFlatteningTest()
{
String outPdfName = destinationFolder + "flattenedFormField.pdf";
PdfDocument pdfDoc = new PdfDocument(new PdfReader(sourceFolder + "formFieldFile.pdf"), new PdfWriter(outPdfName
));
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdfDoc, false);
NUnit.Framework.Assert.AreEqual(0, form.GetFieldsForFlattening().Count);
form.PartialFormFlattening("radioName");
form.PartialFormFlattening("Text1");
PdfFormField radioNameField = form.GetField("radioName");
PdfFormField text1Field = form.GetField("Text1");
NUnit.Framework.Assert.AreEqual(2, form.GetFieldsForFlattening().Count);
NUnit.Framework.Assert.IsTrue(form.GetFieldsForFlattening().Contains(radioNameField));
NUnit.Framework.Assert.IsTrue(form.GetFieldsForFlattening().Contains(text1Field));
form.FlattenFields();
pdfDoc.Close();
PdfDocument outPdfDoc = new PdfDocument(new PdfReader(outPdfName));
PdfAcroForm outPdfForm = PdfAcroForm.GetAcroForm(outPdfDoc, false);
NUnit.Framework.Assert.AreEqual(2, outPdfForm.GetFormFields().Count);
outPdfDoc.Close();
}