System.Activities.Presentation.Metadata Namespace

Provides additional functionalities regarding activity arguments.

Provides access to add attributes for one specific type to one specific AttributeTable.

The attribute table is a read-only collection of metadata attributes that are associated with specific types, members, and dependencies.

Creates and populates an AttributeTable that is used by the MetadataStore to provide attribute lookup and registration.

Provides the functionality to throw an exception from the ValidateTable method if the metadata provided in the table does not match properties, methods, and events on real types.

An in-memory collection of hash tables that allows the rapid lookup of designer elements by Type.

Specifies a class that will add extra attributes to the metadata store.

Called when attributes are needed for a type.