internal static MemberGroupInfo[] GetMemberGroupInfo(XmlNode node)
{
XmlNodeList list = node.SelectNodes("//group");
MemberGroupInfo[] infos = new MemberGroupInfo[list.Count];
for(int i = 0; i < infos.Length; i++)
{
infos[i] = new MemberGroupInfo(list[i]);
}
return infos;
}