WPF中批量进行验证操作

//ref,out
        private void CheckTextboxNotEmpty(ref bool isOK,
            params TextBox[] textboxes)
        {
            foreach (TextBox txtBox in textboxes)
            {
                if (txtBox.Text.Length <= )
                {
                    isOK = false;
                    txtBox.Background = Brushes.Red;
                }
                else
                {
                    txtBox.Background = null;
                }
            }
        }

        private void CheckComboBoxNotEmpty(ref bool isOK,
            params ComboBox[] cmbs)
        {
            foreach (ComboBox cmb in cmbs)
            {
                if (cmb.SelectedIndex < )
                {
                    isOK = false;
                    cmb.Effect = new DropShadowEffect { Color=Colors.Red};
                }
                else
                {
                    cmb.Effect = null;
                }
            }
        }

CheckTextboxNotEmpty(ref isOK, txtName, txtNational, txtNativeAddr, txtAddr,
                txtBaseSalary, txtTelNum, txtIdNum, txtPosition, txtNumber);
            CheckComboBoxNotEmpty(ref isOK, cbGender, cbMarriage,
                cbPartyStatus, cbEducation, cbDepatment);

            if (!isOK)//如果没有通过数据合法性检查，则不保存
            {
                return;
            }