if (WheelDelta)
                                                          LEDMask = (LEDS_LED1 | LEDS_LED2 | ((WheelDelta > 0) ? LEDS_LED3 : LEDS_LED4));
                                                }
                                                else if ((ReportItem->Attributes.Usage.Page   == USAGE_PAGE_GENERIC_DCTRL) &&
                                                                 ((ReportItem->Attributes.Usage.Usage == USAGE_X)                  ||
                                                                  (ReportItem->Attributes.Usage.Usage == USAGE_Y))                 &&
                                                        if (WheelDelta)
                                                          LEDMask = (LEDS_LED1 | LEDS_LED2 | ((WheelDelta > 0) ? LEDS_LED3 : LEDS_LED4));
                                                }
                                                else if ((ReportItem->Attributes.Usage.Page   == USAGE_PAGE_GENERIC_DCTRL) &&
                                                                 ((ReportItem->Attributes.Usage.Usage == USAGE_X)                  ||
                                                                  (ReportItem->Attributes.Usage.Usage == USAGE_Y))                 &&