C# operator overloading

[ting668]

What is the syntax of overloading "[]" for a arraylist extended class? Thanks

[Stefan Troschuetz]

In C#, the indexer for the ArrayList class is the Item property, so you'll have to overload this.

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[J4amieC]

you can use the new keyword if a method/accessor is not marked virtual. eg public class MyArrayList : ArrayList { public new object this[int i] { get{ return base[i]; } set{ base[i] = value; } }

[turbochimp]

What you're looking for is not an operator ("[]"). It's called an indexer (as previously mentioned), and while ArrayList does expose an Item property, the property you'll need to overload (or override) is the this property : e.g. public object this[Guid objectKey] { get{...} set{...} } public object this[string objectName] { get{...} set{...} } I'm not sure what your plan for this is, but you may also want to consider implementing the ICollection interface (probably the CollectionBase class) if you're working on making a strongly typed collection. It uses an ArrayList internally. Hope this helps.

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