unsigned int GetChildren(wxDataViewItemArray &out) const override { out.reserve(categories.size()); for (auto const& category : categories) out.push_back(wxDataViewItem((void*)&category)); return out.size(); }
unsigned int GetChildren(wxDataViewItemArray &out) const { out.reserve(categories.size()); for (std::list<HotkeyModelCategory>::const_iterator it = categories.begin(); it != categories.end(); ++it) out.push_back(wxDataViewItem((void*)&*it)); return out.size(); }