Gabriel Ivăncescu : user32/listbox: Return 0 from LB_GETITEMDATA for LBS_NODATA listboxes.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: cab591c59b0ceab26a7d3654eab64e655969645a
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=cab591c59b0ceab26a7d3654e...

Author: Gabriel Ivăncescu 
Date:   Thu Nov 15 11:46:20 2018 +0200

user32/listbox: Return 0 from LB_GETITEMDATA for LBS_NODATA listboxes.

Signed-off-by: Gabriel Ivăncescu 
Signed-off-by: Nikolay Sivov 
Signed-off-by: Alexandre Julliard

---

dlls/user32/listbox.c       | 2 +-
 dlls/user32/tests/listbox.c | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/dlls/user32/listbox.c b/dlls/user32/listbox.c
index 044d73d..d46f685 100644
--- a/dlls/user32/listbox.c
+++ b/dlls/user32/listbox.c
@@ -2684,7 +2684,7 @@ LRESULT ListBoxWndProc_common( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam
             SetLastError(ERROR_INVALID_INDEX);
             return LB_ERR;
         }
-        return descr->items[wParam].data;
+        return (descr->style & LBS_NODATA) ? 0 : descr->items[wParam].data;

case LB_SETITEMDATA:
         if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
diff --git a/dlls/user32/tests/listbox.c b/dlls/user32/tests/listbox.c
index 3c3de71..2115ee4 100644
--- a/dlls/user32/tests/listbox.c
+++ b/dlls/user32/tests/listbox.c
@@ -2099,7 +2099,6 @@ static void test_LBS_NODATA(void)
         ok(!memcmp(&data, &zero_data, sizeof(data)), "Unexpected item data.\n");

ret = SendMessageA(listbox, LB_GETITEMDATA, valid_idx[i], 0);
-    todo_wine
         ok(ret == 0, "Unexpected return value %d.\n", ret);
     }