System::Xml::XPath::XPathNavigator::MoveToFirst 方法

XPathNavigator::MoveToFirst method

将 XPathNavigator 移动到当前节点的第一个兄弟节点。

virtual bool System::Xml::XPath::XPathNavigator::MoveToFirst()

ReturnValue

true if the XPathNavigator is successful moving to the first sibling node of the current node; false if there is no first sibling, or if the XPathNavigator is currently positioned on an attribute node. If the XPathNavigator is already positioned on the first sibling, XPathNavigator will return true and will not move its position. If XPathNavigator::MoveToFirst returns false because there is no first sibling, or if XPathNavigator is currently positioned on an attribute, the position of the XPathNavigator is unchanged.

另见

System::Xml::XPath::XPathNavigator::MoveToChild 方法 System::Xml::XPath::XPathNavigator::MoveToFirstAttribute 方法