title: How to set two alignment in wrappanel
body: <p>How can I get a wrappanel like the pics below? The two button &lt; > and textblock align to left, and the textbox align to right, when I resize width of windows, the textbox auto wrap to new line.</p>
  
  <p><img src="https://i.stack.imgur.com/gD5qo.gif" alt=""></p>
  
  <p><img src="https://i.stack.imgur.com/egDrc.gif" alt=""></p>