public:
explicit WidgetVersion(const DPL::String &str = DPL::String());
WidgetVersion(const DPL::String &major,
const DPL::String &minor,
public:
explicit WidgetVersion(const DPL::String &str = DPL::String());
WidgetVersion(const DPL::String &major,
const DPL::String &minor,