private static bool ItemBase_DeepEquals(SettingItem item1, SettingItem item2)
{
if (item1 == null || item2 == null)
{
return(item1 == null && item2 == null);
}
if (!item1.Equals(item2))
{
return(false);
}
if (item1.Attributes.Count == item2.Attributes.Count)
{
return(item1.Attributes.OrderedEquals(item2.Attributes, data => data.Key, StringComparer.OrdinalIgnoreCase));
}
return(false);
}