title: How can I check if a MFC CString is null?
body: <p>I want to check if a MFC CString is null or not. Is there a way to do this?</p>
  
  <p>PS: I want to check if it is null not if it's empty.</p>
  
  <p>CString m_strName;</p>
  
  <p><a href="https://i.stack.imgur.com/gtSMY.png" rel="noreferrer"><img src="https://i.stack.imgur.com/gtSMY.png" alt="enter image description here"></a></p>