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//0x20 bytes (sizeof)
struct _IO_DRIVER_CREATE_CONTEXT
{
    SHORT Size;                                                             //0x0
    struct _ECP_LIST* ExtraCreateParameter;                                 //0x8
    VOID* DeviceObjectHint;                                                 //0x10
    struct _TXN_PARAMETER_BLOCK* TxnParameters;                             //0x18
};