title: transparent richTextBox
body: <p>how can I make my richtext box transparent<br>
  I want this cuz I am trying to put a text on top of a graphic image (which is the background of my form).  </p>
  
  <p>That is why I wanted the richTextBox to be transparent,<br>
  I am using .NET ,c# and in a windows form application  </p>