[PATCH 4/4] comctl32: Implement OBJID_QUERYCLASSNAMEIDX for combo boxes.

[Esme Povirk]

From: Esme Povirk

---
 dlls/comctl32/combo.c       | 5 +++++
 dlls/comctl32/tests/combo.c | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/dlls/comctl32/combo.c b/dlls/comctl32/combo.c
index 09579952f22..1094132826b 100644
--- a/dlls/comctl32/combo.c
+++ b/dlls/comctl32/combo.c
@@ -1746,6 +1746,11 @@ static LRESULT CALLBACK COMBO_WindowProc( HWND hwnd, UINT message, WPARAM wParam
         COMBO_Size( lphc );
         return  TRUE;

+    case WM_GETOBJECT:
+        if ((LONG)lParam == OBJID_QUERYCLASSNAMEIDX)
+            return 0x10005;
+        break;
+
     case WM_SETFONT:
         COMBO_Font( lphc, (HFONT)wParam, (BOOL)lParam );
         return TRUE;
diff --git a/dlls/comctl32/tests/combo.c b/dlls/comctl32/tests/combo.c
index 0ba720a03ce..ddb3eb4d78a 100644
--- a/dlls/comctl32/tests/combo.c
+++ b/dlls/comctl32/tests/combo.c
@@ -1236,9 +1236,13 @@ static void test_combo_WS_VSCROLL(void)
     COMBOBOXINFO info;
     DWORD style;
     int i;
+    DWORD idx;

hCombo = create_combobox(CBS_DROPDOWNLIST);

+    idx = SendMessageA(hCombo, WM_GETOBJECT, 0, OBJID_QUERYCLASSNAMEIDX);
+    ok(idx == 0x10005, "Got index 0x%08lx\n", idx);
+
     get_combobox_info(hCombo, &info);
     hList = info.hwndList;