Moves the XPathNavigator to the first sibling node of the current node.
Assembly: System.Xml.XPath (in System.Xml.XPath.dll)
Return ValueType: System.Boolean
Returns 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 returns false because there is no first sibling, or if XPathNavigator is currently positioned on an attribute, the position of the XPathNavigator is unchanged.
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