title: C# delete picture box
body: <p>I am facing an issue when I develop my project. I am sorry that my English is not good. Hope you guys can understand what I am talking.</p>
  
  <p><img src="https://i.stack.imgur.com/Q8wXL.png" alt="enter image description here"></p>
  
  <p>From the image you guys can see one X button. This X button is a picture box. 
  I am trying to add function that make this X button be able to delete the mote(the blue wireless picture box).</p>
  
  <p>How can I do it?<br>
  Thanks so much</p>