Index: win32ss/user/user32/controls/scrollbar.c
===================================================================
--- win32ss/user/user32/controls/scrollbar.c	(revision 71187)
+++ win32ss/user/user32/controls/scrollbar.c	(working copy)
@@ -855,6 +855,7 @@
         NewInfo.rgstate[ScrollTrackHitTest] = ScrollBarInfo.rgstate[ScrollTrackHitTest];
         NtUserSetScrollBarInfo(Wnd, IntScrollGetObjectId(SBType), &NewInfo);
 
+	    IntDrawScrollInterior(Wnd,Dc,SBType,Vertical,&ScrollBarInfo);
         IntDrawScrollArrows(Dc, &ScrollBarInfo, Vertical);
 
         break;