ColumnReorder

<div id="treeList"></div>
<script>
    $("#treeList").kendoTreeList({
        columns: [
            { field: "name" },
            { field: "age" }
        ],
        dataSource: {
            data: [
                { id: 1, parentId: null, name: "Jane Doe", age: 22 },
                { id: 2, parentId: 1, name: "John Doe", age: 24 }
            ]
        },
        reorderable: true,
        columnReorder: function(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
            console.log(e.column.field, e.newIndex, e.oldIndex);
        }
    });
</script>

<div id="treeList"></div>
<script>
    function treelist_columnReorder(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
      console.log(e.column.field, e.newIndex, e.oldIndex);
    }

    $("#treeList").kendoTreeList({
        columns: [
            { field: "name" },
            { field: "age" }
        ],
        dataSource: {
            data: [
                { id: 1, parentId: null, name: "Jane Doe", age: 22 },
                { id: 2, parentId: 1, name: "John Doe", age: 24 }
            ]
        },
        reorderable: true
    });

    var treelist = $("#treeList").data("kendoTreeList");
    treelist.bind("columnReorder", treelist_columnReorder);
</script>