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Support the undocumented behavior of deleting column zero.

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Duane Clark 2003-02-14 23:31:45 +00:00 committed by Alexandre Julliard
parent 4ecc32a405
commit 65a9f4daac
1 changed files with 14 additions and 1 deletions
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15
dlls/comctl32/listview.c
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@ -4054,7 +4054,17 @@ static BOOL LISTVIEW_DeleteColumn(LISTVIEW_INFO *infoPtr, INT nColumn)
TRACE("nColumn=%d\n", nColumn);
if (nColumn <= 0 || nColumn >= infoPtr->hdpaColumns->nItemCount) return FALSE;
if (nColumn < 0 || infoPtr->hdpaColumns->nItemCount == 0
|| nColumn >= infoPtr->hdpaColumns->nItemCount) return FALSE;
/* While the MSDN specifically says that column zero should not be deleted,
it does in fact work on WinNT, and at least one app depends on it. On
WinNT, deleting column zero deletes the last column of items but the
first header. Since no app will ever depend on that bizarre behavior,
we just delete the last column including the header.
*/
if (nColumn == 0)
nColumn = infoPtr->hdpaColumns->nItemCount - 1;
LISTVIEW_GetHeaderRect(infoPtr, nColumn, &rcCol);
@ -4070,6 +4080,9 @@ static BOOL LISTVIEW_DeleteColumn(LISTVIEW_INFO *infoPtr, INT nColumn)
HDPA hdpaSubItems;
INT nItem, nSubItem, i;
if (nColumn == 0)
return LISTVIEW_DeleteAllItems(infoPtr);
for (nItem = 0; nItem < infoPtr->nItemCount; nItem++)
{
hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, nItem);