"Another contentsContainer has already been prepared. There can only be one.");
contentsContainer->setParent(m_contentsContainerParent);
m_contentsContainerParent->setWidget(contentsContainer);
"Another contentsContainer has already been prepared. There can only be one.");
contentsContainer->setParent(m_contentsContainerParent);
m_contentsContainerParent->setWidget(contentsContainer);