title: Calculate text height based on available width and font?
body: <p>We are creating PDF documents on the fly from the database using <a href="http://www.pdfsharp.net/" rel="noreferrer">PDFsharp</a>.</p>
  
  <p>I need to know the best way to calculate the height of the text area based
  on the font used and the available width.</p>
  
  <p>I need to know the height so I can process page breaks when required.</p>