Irp->UserIosb = &IoSB;
Irp->UserEvent = &FileObject->Event;
KeResetEvent( &FileObject->Event );
Irp->UserBuffer=FileInformation;
Irp->UserIosb = &IoSB;
Irp->UserEvent = &FileObject->Event;
KeResetEvent( &FileObject->Event );
Irp->UserBuffer=FileInformation;