How to add Sticky Notes, Insert Text at cursor, .. Annotations in existing PDF file using iTextSharp with C#?

Question

I want to add Annotations comment in existing PDF file using iTextSharp with C#.

Please give sample code to add Annotations in existing PDF file.

Here PS Script

Answer 1

rect = GetPosition(screening);

can someone plz explain why is this is used..is there any way to find the current cursor position (top,bottom,height,width)

as with the annotation,

Document doc = new Document(PageSize.A4, 50, 50, 50, 50);
        PdfWriter writer = PdfWriter.GetInstance(doc, new FileStream(@"C:\Users\Asus\Desktop\Test.pdf", FileMode.OpenOrCreate));
        doc.AddDocListener(writer);
        doc.Open();

        doc.Add(new Annotation("annotation", "The text displayed in the sticky note", 100f, 500f, 200f, 600f));
        doc.Close();

this works fine to me..