The Unity Application Block (Unity) is a lightweight, extensible dependency injection container with optional support for instance and type interception. It facilitates building loosely coupled applications and provides developers with the following advantages:

  • Simplified object creation, especially for hierarchical object structures and dependencies.
  • Abstraction of requirements; this allows developers to specify dependencies at run time or in configuration and simplify management of crosscutting concerns.
  • Increased flexibility by deferring component configuration to the container.
  • Service location capability; this allows clients to store or cache the container.
  • Instance and type interception (via an extension introduced in this release).

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