Make sure TreeView gets redrawn after calling EnsureVisible.

dlls/comctl32/treeview.c

diff --git a/dlls/comctl32/treeview.c b/dlls/comctl32/treeview.c
index c8c929e..69edf2a 100644
--- a/dlls/comctl32/treeview.c
+++ b/dlls/comctl32/treeview.c
@@ -4436,8 +4436,7 @@
 		SetScrollPos(infoPtr->hwnd, SB_VERT,
 		              newFirstVisible->visibleOrder, TRUE);
 
-	    ScrollWindow(infoPtr->hwnd, 0, scroll, NULL, NULL);
-	    UpdateWindow(infoPtr->hwnd);
+	    ScrollWindowEx(infoPtr->hwnd, 0, scroll, NULL, NULL, NULL, NULL, SW_ERASE | SW_INVALIDATE);
 	}
     }
 }