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//0x4 bytes (sizeof)
enum _PLUGPLAY_EVENT_CATEGORY
{
    HardwareProfileChangeEvent = 0,
    TargetDeviceChangeEvent = 1,
    DeviceClassChangeEvent = 2,
    CustomDeviceEvent = 3,
    DeviceInstallEvent = 4,
    DeviceArrivalEvent = 5,
    VetoEvent = 6,
    BlockedDriverEvent = 7,
    InvalidIDEvent = 8,
    DevicePropertyChangeEvent = 9,
    DeviceInstanceRemovalEvent = 10,
    MaxPlugEventCategory = 11
};