title: How do you update the presentation graphics of a custom flowchart block?
body: <p>I have a set of flowchart blocks that I converted to a custom block (agent type: PackLine).  After getting the logic to run properly, I inserted the custom block (agent: packLine) into my flowchart in the main window and configured all the parameters.  Once it worked right, I added presentation graphics (a rectangle that changes color based on some booleans) to the custom flowchart block's agent type (PackLine).</p>
  
  <p>If I insert a new custom flowchart block, the graphics come with it, but the block inserted before I added the graphics doesn't show the rectangle.</p>
  
  <p>How do I get the new presentation graphics into the main window where the existing agent is? </p>