Creates scopes from a catalog based on exports in catalog which have scope definition metadata.
Scoping policy description: 1. Find exports with scope definition contract and parent scope contract name and scope contract name metadata. 2. Create scopes containing parts dependent on the scope contract (transitive). 3. Parent those scopes to the scope defined by the parent scope contract name. 4. Remove any parts in child scopes from parent scopes.
Export attribute for definining scope definitions in VS MEF catalog.
The attribute is to be placed on an assembly to associate it with one or more Component Model catalogs.
Provides access to named MEF catalogs. The catalogs are referred by name that usually follows the namespace naming convention, for example "Microsoft.VisualStudio.TextEditor". The catalogs are automatically cached. In the case of any error related to cache files management the class falls back to no-cache mode.
The class is thread safe.
The class represents a Component Model Host that abstracts details of different Component Model hosting environments.
This factory produces scope identifiers for