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);