public virtual void SetDefaultAppearanceTest() { PdfDocument outputDoc = CreateDocument(); PdfAcroForm acroForm = PdfAcroForm.GetAcroForm(outputDoc, true); acroForm.SetDefaultAppearance("default appearance"); bool isModified = acroForm.GetPdfObject().IsModified(); bool isReleaseForbidden = acroForm.GetPdfObject().IsReleaseForbidden(); PdfObject calculationOrder = acroForm.GetPdfObject().Get(PdfName.DA); outputDoc.Close(); NUnit.Framework.Assert.AreEqual(new PdfString("default appearance"), calculationOrder); NUnit.Framework.Assert.IsTrue(isModified); NUnit.Framework.Assert.IsTrue(isReleaseForbidden); }