Make wxCheckListBox call event.SetString() on all platforms, not just wxMSW. Mention again, that wxCommandEvent::IsChecked() cannot be used for it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58616 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/checklst_osx.cpp

@@ -121,6 +121,7 @@ void wxCheckListBox::SetValueCallback( unsigned int n, wxListWidgetColumn* col ,
         
         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId() );
         event.SetInt( n );
+        event.SetString( GetString( n ) );
         event.SetEventObject( this );
         HandleWindowEvent( event );
     }