{
public void Main(List<string> jobpath)
{

string oldpath = @"C:Filessample_new.pdf";
string newpath = @"C:Filessample_new_1.pdf";

PdfReader reader = new PdfReader(oldpath);
Rectangle size = reader.GetPageSizeWithRotation(1);
Document doc = new Document(size);

FileStream fs = new FileStream(newpath, FileMode.Create, FileAccess.Write);
PdfWriter writer = PdfWriter.GetInstance(doc, fs);
doc.Open();


foreach (var list in jobpath)
{
cb.BeginText();

doc.NewPage();
doc.Open();



PdfPTable table = new PdfPTable(1);
table.HorizontalAlignment = Element.ALIGN_CENTER;
table.TotalWidth = 400f;
float[] widths = new float[] { 2f };
table.SetWidths(widths);
table.SpacingBefore = 40f;
table.SpacingAfter = 30f;
PdfPCell cell = new PdfPCell();
cell.Colspan = 3;
cell.HorizontalAlignment = 1;
table.AddCell(list);
doc.Add(table);
PdfImportedPage page = writer.GetImportedPage(reader, 1);
}
doc.Close();
}

}