[User32]

- Patch by Herschel Ralston : Fix scroll bar glitch. See CORE-3923 and CORE-11155.

svn path=/trunk/; revision=71231

reactos/win32ss/user/user32/controls/scrollbar.c

@@ -855,6 +855,7 @@ IntScrollHandleScrollEvent(HWND Wnd, INT SBType, UINT Msg, POINT Pt)
         NewInfo.rgstate[ScrollTrackHitTest] = ScrollBarInfo.rgstate[ScrollTrackHitTest];
         NtUserSetScrollBarInfo(Wnd, IntScrollGetObjectId(SBType), &NewInfo);
 
+        IntDrawScrollInterior(Wnd,Dc,SBType,Vertical,&ScrollBarInfo);
         IntDrawScrollArrows(Dc, &ScrollBarInfo, Vertical);
 
         break;