public void Add(IEventQueue queue)
{
if (queue.IsEmpty())
throw new Exception($"EventTree::Add Can not add queue, the queue is empty : {queue.Name}");
var item = new EventTreeItem(queue);
if (this.eventTreeItem_0 == null)
{
this.eventTreeItem_0 = item;
return;
}
this.method_0(item);
}