C# Language Specification

13.Interfaces 411

13.1Interface declarations 411

13.1.1Interface modifiers 411

13.1.2Partial modifier 411

13.1.3Variant type parameter lists 411

13.1.3.1Variance safety 412

13.1.3.2Variance conversion 412

13.1.4Base interfaces 413

13.1.5Interface body 413

13.2Interface members 414

13.2.1Interface methods 415

13.2.2Interface properties 415

13.2.3Interface events 416

13.2.4Interface indexers 416

13.2.5Interface member access 416

13.3Fully qualified interface member names 418

13.4Interface implementations 419

13.4.1Explicit interface member implementations 419

13.4.2Uniqueness of implemented interfaces 422

13.4.3Implementation of generic methods 423

13.4.4Interface mapping 423

13.4.5Interface implementation inheritance 426

13.4.6Interface re-implementation 428

13.4.7Abstract classes and interfaces 429

14.Enums 431

14.1Enum declarations 431

14.2Enum modifiers 431

14.3Enum members 432

14.4The System.Enum type 434

14.5Enum values and operations 434