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//0x20 bytes (sizeof)
struct _MI_LDW_WORK_CONTEXT
{
    struct _WORK_QUEUE_ITEM WorkItem;                                       //0x0
    struct _FILE_OBJECT* FileObject;                                        //0x10
    LONG ErrorStatus;                                                       //0x14
    volatile LONG Active;                                                   //0x18
    UCHAR FreeWhenDone;                                                     //0x1c
};