struct _WNF_DELIVERY_DESCRIPTOR// Size=0x30
{
    unsigned long long SubscriptionId;// Offset=0x0 Size=0x8
    struct _WNF_STATE_NAME StateName;// Offset=0x8 Size=0x8
    unsigned long ChangeStamp;// Offset=0x10 Size=0x4
    unsigned long StateDataSize;// Offset=0x14 Size=0x4
    unsigned long EventMask;// Offset=0x18 Size=0x4
    struct _WNF_TYPE_ID TypeId;// Offset=0x1c Size=0x10
    unsigned long StateDataOffset;// Offset=0x2c Size=0x4
};