title: iText 7 can not set margin
body: <p>I have an HTML string, i need to convert it to pdf, but pdf that i need must have specific size and margin. I did as the example show, now i have pdf with width and height that i set, BUT i can`t change or delete the margin, so pls help me.</p>
  
  <pre><code> using (FileStream fs = new FileStream(somePDFFile, FileMode.OpenOrCreate, FileAccess.Write))
              {
  
                  iText.Kernel.Pdf.PdfWriter pdfWriter = new iText.Kernel.Pdf.PdfWriter(fs);
  
                  iText.Kernel.Pdf.PdfDocument pdfDoc = new iText.Kernel.Pdf.PdfDocument(pdfWriter);
  
                  var v = pdfDoc.GetDefaultPageSize().ApplyMargins&lt;iText.Kernel.Geom.Rectangle&gt;(1, 1, 1, 1, true);
                  pdfDoc.GetDefaultPageSize().SetWidth(250f);
                  pdfDoc.GetDefaultPageSize().SetHeight(200f);
                  pdfDoc.GetCatalog().SetLang(new iText.Kernel.Pdf.PdfString("en-US"));
                  //Set the document to be tagged
                  pdfDoc.SetTagged();
  
  
  
                  iText.Html2pdf.ConverterProperties props = new iText.Html2pdf.ConverterProperties();
  
                  iText.Html2pdf.HtmlConverter.ConvertToPdf(htmlString, pdfDoc, props);
  
                  pdfDoc.Close();
  
  
  
              }
  </code></pre>