By setting canDrop to false on a node in the tree, you can prevent drops from happening there. However, it's not clear how to prevent drops onto the +/- expansion and collapse symbols or the lines connecting the nodes. Can someone please advise how to do this?
By setting canDrop to false on a node in the tree, you can prevent drops from happening there. However, it's not clear how to prevent drops onto the +/- expansion and collapse symbols or the lines connecting the nodes. Can someone please advise how to do this?