IEnumerable<XamlXmlNodeInfo> ReadMemberText (XamlType xt)
{
// this value is for Initialization, or Content property value
XamlMember xm;
if (xt.ContentProperty != null)
xm = xt.ContentProperty;
else
xm = XamlLanguage.Initialization;
yield return Node (XamlNodeType.StartMember, xm);
yield return Node (XamlNodeType.Value, r.Value);
r.Read ();
yield return Node (XamlNodeType.EndMember, xm);
}