public static void GetXMLStringFromNode(ref string xmlStr, XmlNode node)
{
unsafe
{
var str = XmlSDK.RapidXmlNodeA_GetStringFromNode(node.CoreObject);
xmlStr = System.Runtime.InteropServices.Marshal.PtrToStringAnsi(str);
XmlSDK.RapidXmlNodeA_FreeString(str);
}
}