Method setItemGroup

MyGUIEngine/src/MyGUI_ImageBox.cpp:407–417

	}

	void ImageBox::setItemGroup(std::string_view _group)
	{
		if (mItemGroup == _group)
			return;

		mItemGroup = _group;
		if (!mResource || mItemGroup.empty() || mItemName.empty())
			updateSelectIndex(ITEM_NONE);
		else
			setItemResourceInfo(mResource->getIndexInfo(mItemGroup, mItemName));
	}

	void ImageBox::setItemName(std::string_view _name)
	{