Sorry about that. Here's what I have for the Canvas Drawing:
<img src="http://www.planetmogul.com/Adagency/images/canvasdrawing1.png" border="0" />
For the Handler:
<img src="http://www.planetmogul.com/Adagency/images/canvasdrawing2.png" border="0" />
Currently it's listed as the Canvas Save on start of layout. The UNDO/REDO is in States mode.
Please let me know if you need more.