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user32/listbox: Fix redraw after LB_SETCOUNT message. 

3ef790b968 accidentally dropped updating
LBS_DISPLAYCHANGED flag that had been done in LISTBOX_InvalidateItems()
if the count value was changed.
In fact, the newly added test shows LB_SETCOUNT message always causes
WM_DRAWITEM requests regardless of the count value.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51591
Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
(cherry picked from commit 247185ba78)
Signed-off-by: Michael Stefaniuc <mstefani@winehq.org>
This commit is contained in:
Akihiro Sagawa 2021-08-12 21:17:42 +09:00 committed by Michael Stefaniuc
parent b823fa1a3a
commit 904ad1e120
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
dlls/user32/listbox.c
View File

@ -1839,6 +1839,8 @@ static LRESULT LISTBOX_SetCount( LB_DESCR *descr, UINT count )
if (!resize_storage(descr, count))
return LB_ERRSPACE;
descr->nb_items = count;
if (descr->style & LBS_NOREDRAW)
descr->style |= LBS_DISPLAYCHANGED;
if (count)
{

1
dlls/user32/tests/listbox.c
View File

@ -447,7 +447,6 @@ static void test_ownerdraw(void)
got_drawitem = 0;
ret = RedrawWindow(hLB, NULL, 0, RDW_UPDATENOW);
ok(ret, "RedrawWindow failed\n");
todo_wine_if(testcase[i].message == LB_SETCOUNT)
ok(got_drawitem == testcase[i].drawitem, "expected %u, got %u\n", testcase[i].drawitem, got_drawitem);
DestroyWindow(hLB);