Function xnFindExistingRefNodeByType

Source/OpenNI/XnOpenNI.cpp:2932–2958

}

XN_C_API XnStatus xnFindExistingRefNodeByType(XnContext* pContext, XnProductionNodeType type, XnNodeHandle* phNode)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XN_VALIDATE_INPUT_PTR(pContext);
	XN_VALIDATE_OUTPUT_PTR(phNode);

	XnNodeInfoList* pList;
	nRetVal = xnEnumerateExistingNodesByType(pContext, type, &pList);
	XN_IS_STATUS_OK(nRetVal);

	// take first
	XnNodeInfoListIterator it = xnNodeInfoListGetFirst(pList);

	// make sure it's valid
	if (!xnNodeInfoListIteratorIsValid(it))
	{
		xnNodeInfoListFree(pList);
		return XN_STATUS_NO_MATCH;
	}

	XnNodeInfo* pNodeInfo = xnNodeInfoListGetCurrent(it);
	*phNode = xnNodeInfoGetRefHandle(pNodeInfo);
	xnNodeInfoListFree(pList);

	return (XN_STATUS_OK);
}

XN_C_API XnStatus xnFindExistingNodeByType(XnContext* pContext, XnProductionNodeType type, XnNodeHandle* phNode)
{