Index: win32ss/user/user32/controls/scrollbar.c =================================================================== --- win32ss/user/user32/controls/scrollbar.c (revision 56850) +++ win32ss/user/user32/controls/scrollbar.c (working copy) @@ -895,6 +895,9 @@ ScrollBarInfo.rgstate[ScrollTrackHitTest] &= ~STATE_SYSTEM_PRESSED; NewInfo.rgstate[ScrollTrackHitTest] = ScrollBarInfo.rgstate[ScrollTrackHitTest]; NtUserSetScrollBarInfo(Wnd, IntScrollGetObjectId(SBType), &NewInfo); + + IntDrawScrollArrows(Dc, &ScrollBarInfo, Vertical); + break; case WM_SYSTIMER: