typedef struct _POP_DISPLAY_RESUME_CONTEXT
{
     WORK_QUEUE_ITEM WorkItem;
     PETHREAD WorkerThread;
     KEVENT PrepareUIEvent;
     KEVENT PowerOnEvent;
     KEVENT DoneEvent;
     ULONG WorkerQueued;
     ULONG WorkerAbort;
     ULONG NoResumeUI;
} POP_DISPLAY_RESUME_CONTEXT, *PPOP_DISPLAY_RESUME_CONTEXT;

Windows Vista Kernel Structures