title: How do you set a "No fill" Fill on a autoshape with the PowerPoint 2010 interop
body: <p>I want to know how to set a newly added rectangle to have "No Fill" with the PowerPoint 2010 interop.</p>
  
  <p>this is the code I have right now...</p>
  
  <pre><code>PowerPoint.Presentation presentation = Globals.ThisAddIn.Application.ActivePresentation;
  PowerPoint.Shape newshape = presentation.Slides[slideIndex].Shapes.AddShape(Office.MsoAutoShapeType.msoShapeRectangle, 72f, 72f, 72f, 72f);
  newshape.Fill.Transparency = 1;
  </code></pre>