title: How to have comments in IntelliSense for function in Visual Studio?
body: <p>In Visual Studio and C#, when using a built in function such as ToString(), IntelliSense shows a yellow box explaining what it does.</p>
  
  <p><a href="https://i.stack.imgur.com/P7MxK.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/P7MxK.jpg" alt="alt text"></a>
  
  <a href="https://i.stack.imgur.com/OKDcw.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/OKDcw.jpg" alt="alt text"></a>
  </p>
  
  <p><strong>How can I have that for functions and properties I write?</strong></p>