public static void SendSpellbookContent(this NetState ns, Serial book, int graphic, int offset, ulong content)
{
if (ns == null)
{
return;
}
if (ObjectPropertyList.Enabled && ns.NewSpellbook)
{
ns.SendNewSpellbookContent(book, graphic, offset, content);
}
else
{
ns.SendOldSpellbookContent(book, offset, content);
}
}