title: PowerPoint Open "Record Slide Show" Dialog and detect if Presentation has a recording c# addin
body: <p>I am developing a PowerPoint AddIn and have been asked to add a reminder to the user to "Record Slide Show".</p>
  
  <p>Can anyone help me find out how to programmatically open the "Record Slide Show" dialog box and also how to detect if the user has already added a recording to the slide show please?</p>
  
  <p>Many thanks</p>
  
  <p>Trevor</p>