FP300Service.UserControls.SaleUC.btnVoidSale_Click C# (CSharp) Метод

        private void btnVoidSale_Click(object sender, EventArgs e)
        {
            try
            {
                //PLU NO
                int pluNo = (int)nmrVoidPlu.Value;

                //VOID QUANTITY
                decimal quantity = nmrVoidQtty.Value;

                // SEND COMMAND
                CPResponse response = null;

                if (cbxVoidDept.Checked)
                {
                    if (String.IsNullOrEmpty(txtVoidDeptName.Text))
                    {
                        bridge.Log(FormMessage.FILL_DEPT_NAME);
                        return;
                    }
                    else
                        response = new CPResponse(bridge.Printer.VoidDepartment(pluNo, txtVoidDeptName.Text,quantity));
                }
                else
                {
                    response = new CPResponse(bridge.Printer.Void(pluNo, quantity));
                }

                if (response.ErrorCode == 0)
                {
                    bridge.Log(String.Format("{1}:{0}", response.GetNextParam(), FormMessage.SUBTOTAL.PadRight(12, ' ')));
                }
            }
            catch (System.Exception ex)
            {
                bridge.Log(FormMessage.OPERATION_FAILS);
            }
        }