public TreeViewClientEvents()
{
OnExpand = new ClientEvent();
OnCollapse = new ClientEvent();
OnSelect = new ClientEvent();
OnChecked = new ClientEvent();
OnLoad = new ClientEvent();
OnError = new ClientEvent();
OnNodeDragStart = new ClientEvent();
OnNodeDragging = new ClientEvent();
OnNodeDragCancelled = new ClientEvent();
OnNodeDrop = new ClientEvent();
OnNodeDropped = new ClientEvent();
OnDataBinding = new ClientEvent();
OnDataBound = new ClientEvent();
}