auto txt = slf.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
Dali::Toolkit::GetImpl(slf).getController()->CopyStringToClipboard(txt.substr(startPosition, endPosition - startPosition));
auto txt = slf.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
Dali::Toolkit::GetImpl(slf).getController()->CopyStringToClipboard(txt.substr(startPosition, endPosition - startPosition));