สร้างแบบฟอร์ม PDF ผ่าน C#

// Open document
Document pdfDocument = new Document(dataDir + "TextField.pdf");

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

// Create decorations (like Border)
Border border = new Border(textBoxField);
border.Width = 5;
border.Dash = new Dash(1, 1);
textBoxField.Border = border;

textBoxField.Color = Aspose.Pdf.Color.FromRgb(System.Drawing.Color.Green);

// Add field to the document
pdfDocument.Form.Add(textBoxField, 1);

dataDir = dataDir + "TextBox_out.pdf";
// Save modified PDF
pdfDocument.Save(dataDir);