{{Confusing|reason=Isis this a C# or a general OO concept? Surely the interesting thing is the use of the keyword 'this', not what is emphasised here? Why is this whole article only sourced to one C# forum post (the other forum post is a dead link). Maybe an example of use of the example class would demonstrate the purpose of the construct. Wikipedia is not a manual, guidebook or textbook [[WP:NOTHOWTO]].}}
In [[object-oriented programming]], an '''indexer''' allows instances of a particular class or struct to be indexed just like arrays.<ref>{{cite web
