Represents the arguments passed to the
function when a load more button is pressed.
Points to the data item for which more child nodes are requested.
Indicates how many items are currently rendered.
Indicates how many new items are requested. This value equals the initial
pageSize passed to the
kendoTreeViewLoadMore directive. It's not required to conform to this value -
the current data item page size will be incremented with as many items are returned by the