Can't insert a node into an XML DOM Document before the selected node

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I am trying to insert a node into an XML DOM document before the selected node. The new node is created fine as I have output it to a mesage box, but it always crashes on the 'insertBefore' line. Please tell me what I am doing wrong - I have looked at so many examples and can't see why my code is different.

MSXML2::IXMLDOMDocumentPtr wspXMLDocPtr
MSXML2::IXMLDOMNodePtr selectedNodePtr;//this is set to a valid node - I have checked

MSXML2::IXMLDOMNodePtr newNode = m_wspXMLDocPtr->createNode(_variant_t((short)       MSXML2::NODE_ELEMENT),"SEQUENCE", "");
			
m_wspXMLDocPtr->insertBefore(newNode, _variant_t(selectedNodePtr.GetInterfacePtr()));

Posted 7-Nov-11 23:59pm

Jackie Lloyd

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CPallini · Answer 1 · 2011-11-08T00:12:00

Solution 1

You cannot call insertBefore on a Document for inserting a NODE_ELEMENT, see Calling insertBefore on Documents at MSDN[^].

You probably have to find the actual parent of the selectedNode and call insertBefore on it.

Posted 8-Nov-11 0:12am

CPallini

Updated 8-Nov-11 0:14am

v2

Comments

Jackie Lloyd 8-Nov-11 6:39am

Thankyou -
I have also tried changing the last line to:

selectedNodePtr->insertBefore(newNode, _variant_t(selectedNodePtr.GetInterfacePtr()));

but it still doesn't work

CPallini 8-Nov-11 7:00am

Use the parentNode property of selectedNodePtr for retrieving its parent and then call insertBefore on it.