รูปแบบไฟล์ PDF.จัดการผ่าน C#

var inputFile = Path.Combine(dataDir, "sample.pdf");
var outputFile = Path.Combine(dataDir, "sample_out.pdf");
var pdfDocument = new Aspose.Pdf.Document(inputFile);

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

var border = new Aspose.Pdf.Annotations.Border(textBoxField)
{
    Width = 5,
    Dash = new Aspose.Pdf.Annotations.Dash(1, 1)
};
textBoxField.Border = border;
textBoxField.Color = Aspose.Pdf.Color.Green;

pdfDocument.Form.Add(textBoxField, 1);
pdfDocument.Save(outputFile);