0x0400 OFFSET
    +3 PBM_DELTAPOS
    +8 PBM_GETPOS
    +7 PBM_GETRANGE
    +9 PBM_SETBARCOLOR
   +10 PBM_SETMARQUEE
    +2 PBM_SETPOS
    +1 PBM_SETRANGE
    +6 PBM_SETRANGE32
    +4 PBM_SETSTEP
    +5 PBM_STEPIT
