title: Adding Signature Field to Form in C# using iTextSharp
body: <p>I'm looking to adding a signature field in a PDF form using itextsharp using winforms
  Below is the code i tried.</p>
  
  <p><em><strong>EDITED</em></strong> </p>
  
  <pre><code>var writer = new PdfWriter(outputPdfStream);
  PdfFormField SigField = PdfFormField.CreateSignature(writer);
  </code></pre>
  
  <p>The following error is thrown when the second line is run:</p>
  
  <pre><code>Error   1   'iTextSharp.text.pdf.PdfWriter' does not contain a constructor that takes 1 arguments
  </code></pre>
  
  <p>I'm still learning the ins and out's of iTextsharp. Any guidance is very appreciated. </p>
  
  <p>Thank you!</p>