public bool FilterByKind(bool exclude, LetterData data, LetterDataKind kind) { if (exclude && data.Kind == kind) { return(false); } return(true); }
public List <LetterData> GetLettersByKind(LetterDataKind choice) { return(dbManager.FindLetterData(x => x.Kind == choice)); // @note: this does not use filters, special case }