Indexers are similar to properties. Except for the differences shown in the following table, all of the rules defined for property accessors apply to indexer accessors as well.
Property | Indexer |
---|---|
Allows methods to be called as though they were public data members. | Allows methods on an object to be called as though the object is an array. |
Accessed through a simple name. | Accessed through an index. |
Can be a static or an instance member. | Must be an instance member. |
A get accessor of a property has no parameters. | A get accessor of an indexer has the same formal parameter list as the indexer. |
A set accessor of a property contains the implicit value parameter. | A set accessor of an indexer has the same formal parameter list as the indexer, in addition to the value parameter. |