detect when basemap gallery changed

Discussion created by sohnem2 on Dec 9, 2013
Latest reply on Dec 9, 2013 by JUihlein-esristaff
Want to change the well symbology when the basemap gallery changes the basemap.
What event needs to be monitored and can the current graphics in graphicslayer be changed of its symbols w/o clearing and reloading the graphics? I am assuming it can.