comctl32: Forward the focus to the edit control if it exists.

dlls/comctl32/comboex.c

@@ -2308,7 +2308,8 @@ COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 	    return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
 
         case WM_SETFOCUS:
-            SetFocus(infoPtr->hwndCombo);
+            if (infoPtr->hwndEdit) SetFocus( infoPtr->hwndEdit );
+            else SetFocus( infoPtr->hwndCombo );
             return 0;
 
         case WM_SYSCOLORCHANGE:

dlls/comctl32/tests/comboex.c

@@ -345,6 +345,11 @@ static void test_WM_LBUTTONDOWN(void)
        "Current Selection: expected %d, got %d\n", 4, idx);
     ok(received_end_edit, "Expected to receive a CBEN_ENDEDIT message\n");
 
+    SetFocus( hComboExParentWnd );
+    ok( GetFocus() == hComboExParentWnd, "got %p\n", GetFocus() );
+    SetFocus( hComboEx );
+    ok( GetFocus() == hEdit, "got %p\n", GetFocus() );
+
     DestroyWindow(hComboEx);
 }