This function only returns when the specified object is in the signaled state or when the time-out interval elapses. Uses EAX, ECX, EDX, and Flags.
A completion routine is queued, but is not executed. The thread must run at ring 3 for this to happen. A completion routine is queued for execution when the ReadFileEx or WriteFileEx function in which it was specified has been completed. The wait function returns and the completion routine is executed only if this flag is TRUE, and the calling thread is the thread that initiated the read or write operation.
This service can only be called when the current VM is the system VM.