#include <DbXml.hpp>

class DbXml::XmlValue {
public:
	...
	XmlValue getPreviousSibling() const
	...
};

Returns the sibling node immediately preceding this node in the document. If the current node had no siblings preceding it in the document, a null node is returned.

If the node type is not XmlValue::NODE, XmlException::INVALID_VALUE is thrown.