// New
bool COpcXmlDocument::New(IXMLDOMElement* ipElement)
{
HRESULT hResult = S_OK;
IXMLDOMElement* ipClone = NULL;
IXMLDOMNode* ipParent = NULL;
IXMLDOMNode* ipResult = NULL;
TRY
{
// create new document instance.
if (!New())
{
THROW_(hResult, E_FAIL);
}
// clone the element.
hResult = ipElement->cloneNode(VARIANT_TRUE, (IXMLDOMNode**)&ipClone);
if (FAILED(hResult))
{
THROW();
}
// remove clone from parent.
hResult = ipClone->get_parentNode(&ipParent);
if (FAILED(hResult))
{
THROW();
}
if (ipParent != NULL)
{
hResult = ipParent->removeChild(ipClone, &ipResult);
if (FAILED(hResult))
{
THROW();
}
if (ipResult != NULL)
{
ipResult->Release();
ipResult = NULL;
}
}
// add root element to document.
hResult = m_ipDocument->appendChild(ipClone, &ipResult);
if (FAILED(hResult))
{
THROW();
}
if (ipResult != NULL)
{
ipResult->Release();
ipResult = NULL;
}
// declare element as the document element.
hResult = m_ipDocument->putref_documentElement(ipClone);
if (FAILED(hResult))
{
THROW();
}
// add predefined namespaces
AddNamespace(TAG_XSD, OPCXML_NS_SCHEMA);
AddNamespace(TAG_XSI, OPCXML_NS_SCHEMA_INSTANCE);
}
CATCH
{
Clear();
}
FINALLY
{
// release memory.
if (ipClone != NULL) ipClone->Release();
if (ipParent != NULL) ipParent->Release();
if (ipResult != NULL) ipResult->Release();
}
return SUCCEEDED(hResult);
}
