Selection of node on right click with contextmenu

Suite and Optimus Suite 5
#1

In DHXtree v1.6 , the node is not get selected when using context menu on right click. How to achieve this and add this functionality.

#2

This is default behavior, you can force node selection by next code modification
dhtmlxtree.js , line 169
    dhtmlXTreeObject.prototype._doContClick=function(ev){
    …
    var obj=el.parentObject;
    obj.treeNod._selectItem(obj); //  <<this line added