title: Draw border around cells in datagridview
body: <p>I have a <code>datagridview</code> this is an example:</p>
  
  <p><img src="https://i.stack.imgur.com/WVVJ1.png" alt="enter image description here"></p>
  
  <p>I want to draw a rectangle around yellow color, I have the cells indexes, can someone help me?</p>
  
  <p>I will be very grateful</p>