We are ready with an additional feature for Item Types. In Update 10, you can attach multiple items to graphical element at once.
Suppose there is an item type library containing multiple item types and you want to attach few items from that library to an element in your DGN file. You can now do so much easily with the ability to select multiple items at a time and attach them to an element.
Following are the steps:
The video below will give a better idea.