_IO_WORKITEM

//0x58 bytes (sizeof) struct _IO_WORKITEM { struct _WORK_QUEUE_ITEM WorkItem; //0x0 VOID (*Routine)(VOID* arg1, VOID* arg2, struct _IO_WORKITEM* arg3); //0x20 VOID* IoObject; //0x28 VOID* Context; //0x30 VOID* WorkingOnBehalfClient; //0x38 ULONG Type; //0x40 struct _GUID ActivityId; //0x44 };