+    switch ( type )
+    {
+        case wxClientData_Object:
+            SetClientObject
+            (
+                pos,
+                (reinterpret_cast<wxClientData **>(clientData))[n]
+            );
+            break;
+
+        case wxClientData_Void:
+            SetClientData(pos, clientData[n]);
+            break;
+
+        default:
+            wxFAIL_MSG( wxT("unknown client data type") );
+            // fall through
+
+        case wxClientData_None:
+            // nothing to do
+            break;
+    }
+}
+
+void wxItemContainer::ResetItemClientObject(unsigned int n)
+{
+    wxClientData * const data = GetClientObject(n);
+    if ( data )
+    {
+        delete data;
+        DoSetItemClientData(n, NULL);
+    }
+}
+
+// ============================================================================
+// wxControlWithItems implementation
+// ============================================================================
+
+void
+wxControlWithItemsBase::InitCommandEventWithItems(wxCommandEvent& event, int n)
+{
+    InitCommandEvent(event);
+
+    if ( n != wxNOT_FOUND )
+    {
+        if ( HasClientObjectData() )
+            event.SetClientObject(GetClientObject(n));
+        else if ( HasClientUntypedData() )
+            event.SetClientData(GetClientData(n));
+    }
+}
+
+void wxControlWithItemsBase::SendSelectionChangedEvent(wxEventType eventType)
+{
+    const int n = GetSelection();
+    if ( n == wxNOT_FOUND )
+        return;
+
+    wxCommandEvent event(eventType, m_windowId);
+    event.SetInt(n);
+    event.SetEventObject(this);
+    event.SetString(GetStringSelection());
+    InitCommandEventWithItems(event, n);
+
+    HandleWindowEvent(event);