From: Francois Gouget <fgouget(a)free.fr>
The change happened between Windows 10 1607 and 1709 in comctl32 v6.
Signed-off-by: Francois Gouget <fgouget(a)free.fr>
Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
---
dlls/comctl32/listbox.c | 2 +-
dlls/comctl32/tests/listbox.c | 22 +++++++++++++++++++---
2 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/dlls/comctl32/listbox.c b/dlls/comctl32/listbox.c
index ab4c481aab..0d6dcd6a0b 100644
--- a/dlls/comctl32/listbox.c
+++ b/dlls/comctl32/listbox.c
@@ -1280,7 +1280,7 @@ static LRESULT LISTBOX_GetItemHeight( const LB_DESCR *descr, INT index )
*/
static LRESULT LISTBOX_SetItemHeight( LB_DESCR *descr, INT index, INT height, BOOL repaint )
{
- if (height > MAXBYTE)
+ if (height > MAXWORD)
return -1;
if (!height) height = 1;
diff --git a/dlls/comctl32/tests/listbox.c b/dlls/comctl32/tests/listbox.c
index 70e212892a..dc3b247fb6 100644
--- a/dlls/comctl32/tests/listbox.c
+++ b/dlls/comctl32/tests/listbox.c
@@ -769,11 +769,27 @@ static void test_listbox_height(void)
r = SendMessageA(hList, LB_GETITEMHEIGHT, 0, 0 );
ok( r == 20, "height wrong\n");
+ /* Before Windows 10 1709 (or 1703?) the item height was limited to 255.
+ * Since then, with comctl32 V6 the limit is 65535.
+ */
r = SendMessageA( hList, LB_SETITEMHEIGHT, 0, MAKELPARAM( 256, 0 ));
- ok( r == -1, "Failed to set item height, %d.\n", r);
+ ok(r == 0 || broken(r == -1), "Failed to set item height, %d.\n", r);
+ if (r == -1)
+ {
+ r = SendMessageA(hList, LB_GETITEMHEIGHT, 0, 0 );
+ ok( r == 20, "Unexpected item height %d.\n", r);
+ }
+ else
+ {
+ r = SendMessageA(hList, LB_GETITEMHEIGHT, 0, 0 );
+ ok( r == 256, "Unexpected item height %d.\n", r);
- r = SendMessageA(hList, LB_GETITEMHEIGHT, 0, 0 );
- ok( r == 20, "Unexpected item height %d.\n", r);
+ r = SendMessageA( hList, LB_SETITEMHEIGHT, 0, MAKELPARAM( 65535, 0 ));
+ ok(r == 0, "Failed to set item height, %d.\n", r);
+
+ r = SendMessageA(hList, LB_GETITEMHEIGHT, 0, 0 );
+ ok( r == 65535, "Unexpected item height %d.\n", r);
+ }
r = SendMessageA( hList, LB_SETITEMHEIGHT, 0, MAKELPARAM( 0xff, 0 ));
ok( r == 0, "send message failed\n");
--
2.24.0.rc1