When overridden in a derived class, moves the XPathNavigator to the previous 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 previous sibling node; otherwise, false if there is no previous sibling node or if the XPathNavigator is currently positioned on an attribute node. If false, the position of the XPathNavigator is unchanged.
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