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))                 &&