c# - 如何将 XPathNavigator 对象的集合转换为 XPathNodeIterator

Question

如何将XPathNavigator对象集合转换为XPathNodeIterator对象集合？

下面是一个示例代码：

public XPathNodeIterator RandomizeXPathNodeIterator(XPathNodeIterator iterator)
{
    List<XPathNavigator> list = new List<XPathNavigator>();
    //Populate list with XPathNavigator's

    //How do i return XPathNodeIterator
}