/// <summary>
/// Return the handle as a TiXmlUnknown. This may return null.
/// </summary>
TiXmlUnknown ToUnknown()
{
return((node != null && node.ToUnknown() != null) ? node.ToUnknown() : null);
}
/// <summary>
/// Return the handle as a TiXmlUnknown. This may return null.
/// </summary>
TiXmlUnknown ToUnknown()
{
return((node != null && node.ToUnknown() != null) ? node.ToUnknown() : null);
}