public static LookupInfo CGetLookupInfo(this ITableSource table, string pkcolname, IEnumerable <string> keys, Action guiCallback) { LookupInfo lookup = table.CGetLookupInfo_NoFill(pkcolname, guiCallback); if (lookup == null) { return(null); } if (!lookup.CGetData(table, keys, guiCallback)) { return(null); } return(lookup); }