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Do not create a range list for an empty range.

This commit is contained in:
Dimitrie O. Paun 2002-10-19 19:26:17 +00:00 committed by Alexandre Julliard
parent 0613b7212a
commit 0def1dd4e4
1 changed files with 2 additions and 2 deletions
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4
dlls/comctl32/listview.c
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@ -1013,7 +1013,7 @@ static BOOL iterator_visibleitems(ITERATOR* i, LISTVIEW_INFO *infoPtr, HDC hdc)
if (rgntype == NULLREGION) return iterator_empty(i);
if (!iterator_frameditems(i, infoPtr, &rcClip)) return FALSE;
if (rgntype == SIMPLEREGION) return TRUE;
/* first deal with the special item */
if (LISTVIEW_GetItemBox(infoPtr, i->nSpecial, &rcItem) && !RectVisible(hdc, &rcItem))
i->nSpecial = -1;
@ -1021,7 +1021,7 @@ static BOOL iterator_visibleitems(ITERATOR* i, LISTVIEW_INFO *infoPtr, HDC hdc)
/* if we can't deal with the region, we'll just go with the simple range */
if (!LISTVIEW_GetOrigin(infoPtr, &Origin)) return TRUE;
TRACE("building visible range:\n");
if (!i->ranges)
if (!i->ranges && i->range.lower < i->range.upper)
{
if (!(i->ranges = ranges_create(50))) return TRUE;
if (!ranges_add(i->ranges, i->range))