private void buttonAdd_Click(object sender, EventArgs e) { AdminAddForm addform = new AdminAddForm(QlistView); addform.Text = "Ввод новых вопросов"; if (addform.ShowDialog(this) == DialogResult.OK) { Group = addform.button; TextFieldsData = addform.textdata; // QlistView.Items.Clear(); AddData?.Invoke(this, EventArgs.Empty); } }