about design cache!
When you place the first instance of a part in a project, a copy of the part is created in the design cache. The design cache stores one copy of every part used in the design---you can think of it as an "embedded library." Normally, all instances of the part refer to this copy in the design cache.
A cache part also retains a link to the library part on which it is based, so you can update all of the parts in the design cache to synchronize them with the parts in the libraries. For more information see About part instances.
The project manager updates the display of the design cache every time you open the cache. Just click on the design cache icon to close or open the design cache.
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[此贴子已经被作者于2003-3-3 16:42:28编辑过] | 
发表于 2003-3-3 12:08:00