private void btFindAll_Click(object sender, EventArgs e) { tbRes.Clear(); var sb = new StringBuilder(); foreach (var v in Verbs.FindAll(tbWord.Text)) { BuildString(sb, v); } foreach (var n in Nouns.FindAll(tbWord.Text)) { BuildString(sb, n); } foreach (var a in Adjectives.FindAll(tbWord.Text)) { BuildString(sb, a); } tbRes.Text = sb.ToString(); }