struct _PLUGPLAY_EVENT_BLOCK// Size=0x50
{
    struct _GUID EventGuid;// Offset=0x0 Size=0x10
    enum _PLUGPLAY_EVENT_CATEGORY EventCategory;// Offset=0x10 Size=0x4
    unsigned long * Result;// Offset=0x18 Size=0x8
    unsigned long Flags;// Offset=0x20 Size=0x4
    unsigned long TotalSize;// Offset=0x24 Size=0x4
    void * DeviceObject;// Offset=0x28 Size=0x8
    union _unnamed_795 u;// Offset=0x30 Size=0x20
};