"Richard Lewis Haggard" <HaggardAtWorldDotStdDotCom> wrote in message
news:OVR0rFr1FHA.1568@TK2MSFTNGP10.phx.gbl...
> What is the syntax to over ride the array index operator '[]'?
>
> I want to derive a class from CollectionBase and have it encapsulate an
> array of another class I'm working with. Among other things, it needs to
> over ride the [] operator but I don't seem to be able to get the syntax
> quite right. Can someone tell me what the syntax should be in order to
> over ride the operator[]?

> --
> Richard Lewis Haggard
>

>
> "Richard Lewis Haggard" <HaggardAtWorldDotStdDotCom> wrote in message
> news:OVR0rFr1FHA.1568@TK2MSFTNGP10.phx.gbl...
>> What is the syntax to over ride the array index operator '[]'?
>>
>> I want to derive a class from CollectionBase and have it encapsulate an
>> array of another class I'm working with. Among other things, it needs to
>> over ride the [] operator but I don't seem to be able to get the syntax
>> quite right. Can someone tell me what the syntax should be in order to
>> over ride the operator[]?
>
> You have to define an indexer:
>
> public <type> this[<parameter list>]
> {
> get { }
> set { }
> }
>> --
>> Richard Lewis Haggard
>>
>
>

"ALI RAZA" <ali_raza_shaikh@yahoo.com> wrote in message
news:%23cKxH%23x1FHA.3660@TK2MSFTNGP15.phx.gbl...
> Salam
>
> In addition to Richard Lewis Haggard solution, you must also use a
> OVERRIDE keyword, in order to override this function.

>
> "Richard Lewis Haggard" <HaggardAtWorldDotStdDotCom> wrote in message
> news:OVR0rFr1FHA.1568@TK2MSFTNGP10.phx.gbl...
>> What is the syntax to over ride the array index operator '[]'?
>>
>> I want to derive a class from CollectionBase and have it encapsulate an
>> array of another class I'm working with. Among other things, it needs to
>> over ride the [] operator but I don't seem to be able to get the syntax
>> quite right. Can someone tell me what the syntax should be in order to
>> over ride the operator[]?
>
> You have to define an indexer:
>
> public <type> this[<parameter list>]
> {
> get { }
> set { }
> }
>> --
>> Richard Lewis Haggard
>>
>
>

"Richard Lewis Haggard" <HaggardAtWorldDotStdDotCom> wrote in message
news:urblyR11FHA.2616@tk2msftngp13.phx.gbl...
> Thanks, but I couldn't quite seem to implement your suggestion. Here's
> what I want to do - make a class that's derived from ArrayList and
> contains an array of CAccount objects. I tried this:
>
> class CAccounts : ArrayList
> {
> public override CAccount this[ int iIndex]
> {
> get { List[iIndex]; }
> set { List[iIndex]; }
> }
> }
> But that resulted in the following error:
>
> 'HAPTimeClock.CAccounts.this[int]: type must be 'object' to match
> overriden member 'System.Collections.ArrayList.this[int]
>
> I tried several more variations but nothing seemed to make the C# compiler
> happy.
>

> --
> Richard Lewis Haggard
>
> "Daniel O'Connell [C# MVP]" <onyxkirx@--NOSPAM--comcast.net> wrote in
> message news:OQHSiKr1FHA.3780@TK2MSFTNGP12.phx.gbl...
>>
>> "Richard Lewis Haggard" <HaggardAtWorldDotStdDotCom> wrote in message
>> news:OVR0rFr1FHA.1568@TK2MSFTNGP10.phx.gbl...
>>> What is the syntax to over ride the array index operator '[]'?
>>>
>>> I want to derive a class from CollectionBase and have it encapsulate an
>>> array of another class I'm working with. Among other things, it needs to
>>> over ride the [] operator but I don't seem to be able to get the syntax
>>> quite right. Can someone tell me what the syntax should be in order to
>>> over ride the operator[]?
>>
>> You have to define an indexer:
>>
>> public <type> this[<parameter list>]
>> {
>> get { }
>> set { }
>> }
>>> --
>>> Richard Lewis Haggard
>>>
>>
>>
>
>