[PATCH v2 7/8] comctl32/listbox: Make LBS_NODATA listboxes error on any attempt to find a value

[Gabriel Ivăncescu]

Signed-off-by: Gabriel Ivăncescu 
---

This is what Windows does (see next patch for tests).

dlls/comctl32/listbox.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/comctl32/listbox.c b/dlls/comctl32/listbox.c
index ab01430..7747c33 100644
--- a/dlls/comctl32/listbox.c
+++ b/dlls/comctl32/listbox.c
@@ -919,6 +919,9 @@ static INT LISTBOX_FindString( LB_DESCR *descr, INT start, LPCWSTR str, BOOL exa
     }
     else
     {
+        if (descr->style & LBS_NODATA)
+            return LB_ERR;
+
         if (exact && (descr->style & LBS_SORT))
             /* If sorted, use a WM_COMPAREITEM binary search */
             return LISTBOX_FindStringPos( descr, str, TRUE );
@@ -2450,7 +2453,7 @@ static LRESULT LISTBOX_HandleChar( LB_DESCR *descr, WCHAR charW )
                                 (LPARAM)descr->self );
         if (caret == -2) return 0;
     }
-    if (caret == -1)
+    if (caret == -1 && !(descr->style & LBS_NODATA))
         caret = LISTBOX_FindString( descr, descr->focus_item, str, FALSE);
     if (caret != -1)
     {