Daniel Jelinski : comctl32/listview: Do not draw unnecessary grid lines.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e389326bddcf42915e436ed030c1a12d9e982c84
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=e389326bddcf42915e436ed030c1a12d9e982c84

Author: Daniel Jelinski <djelinski1 at gmail.com>
Date:   Fri Aug 31 21:15:32 2012 +0200

comctl32/listview: Do not draw unnecessary grid lines.

---

 dlls/comctl32/listview.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/dlls/comctl32/listview.c b/dlls/comctl32/listview.c
index e1b9a71..3c9a0cb 100644
--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -4943,10 +4943,7 @@ static void LISTVIEW_RefreshReportGrid(LISTVIEW_INFO *infoPtr, HDC hdc)
         itemheight =  LISTVIEW_CalculateItemHeight(infoPtr);
         rcItem.left   = infoPtr->rcList.left;
         rcItem.right  = infoPtr->rcList.right;
-        rcItem.bottom = rcItem.top = Origin.y - 1;
-        MoveToEx(hdc, rcItem.left, rcItem.top, NULL);
-        LineTo(hdc, rcItem.right, rcItem.top);
-        for(y=itemheight-1+Origin.y; y<=infoPtr->rcList.bottom; y+=itemheight)
+        for(y = Origin.y > 1 ? Origin.y - 1 : itemheight - 1 + Origin.y % itemheight; y<=infoPtr->rcList.bottom; y+=itemheight)
         {
             rcItem.bottom = rcItem.top = y;
             TRACE("horz rcItem=%s\n", wine_dbgstr_rect(&rcItem));