Boolean TryReadAccessor(MemberInfo member, ref Object value, ref IMemberAccessor ac, ref List <MemberInfo> ms)
{
// 访问器直接写入成员
if (!ac.Read(Host, member))
{
return(false);
}
// 访问器内部可能直接操作Hosts修改了父级对象，典型应用在于某些类需要根据某个字段值决定采用哪个派生类
var obj = Host.Hosts.Peek();
if (obj != value)
{
value = obj;
ms = GetMembers(value.GetType());
ac = value as IMemberAccessor;
}
return(true);
}