if (this->qObjVector.size()==0)
{
    ESMessageBox msgBox;
    msgBox.AutoSetSize(320, 180);
    msgBox.setText(tr(u8"图元未连接，请用箭头连接图元后保存!"));
    msgBox.exec();

    return false;
}

//设为选中状态
tmpObj->setSelectState();

 

 

 

#################