If set to False, the oldest work item in the queue will be used a next item. This is the default value. If set to True, the newest work item in the queue will be used as next work item. True can be a good setting if the number of work items is large and their order doesn't matter

public bool UseLIFO { get; set; }

Public Property UseLIFO As Boolean

public:
property bool UseLIFO {
	bool get ();
	void set (bool value);
}