[User32]

- Fixing graphics glitches when clicking the arrow button. See bug 4251.

svn path=/trunk/; revision=56864

diff --git a/reactos/win32ss/user/user32/controls/scrollbar.c b/reactos/win32ss/user/user32/controls/scrollbar.c
index 175cf65..9f4c198 100644 (file)
--- a/reactos/win32ss/user/user32/controls/scrollbar.c
+++ b/reactos/win32ss/user/user32/controls/scrollbar.c
@@ -895,6 +895,9 @@ IntScrollHandleScrollEvent(HWND Wnd, INT SBType, UINT Msg, POINT Pt)
         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: