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Disabled or non dragable the item in tree view

Hi,

I wanna disabled or non drag & drop the parent item only. Is it possible? Kindly help me....

Thanks & Regards,
P.Subathra

You can add the next code to the tree initialization

tree.attachEvent("onBeforeDrag",function(id){
          if (tree.getLevel(id) == SOME ) return false;
          return true;
})

where SOME - level, for which drag need to be blocked