title: How to add radio buttons to the slides in powerpoint presentation
body: <p>I create a Powerpoint add-in in .NET and I know how to add new textbox to the slide. But I don´t know how to add radio buttons, check buttons and input text fields. Is it possible?</p>
  
  <pre><code>private void questions()
  {
  PowerPoint.Shape textBox = activeSlide.Shapes.AddTextbox(Office.MsoTextOrientation.msoTextOrientationHorizontal, 50, 50, 500, 500);
  textBox.TextFrame.TextRange.InsertAfter("Text");
  }
  </code></pre>