Re: iterating over collection

Ahhh, for some reason I continue to forget about that 'object' type.  Thanks
for this suggestion, Adrian.  I'll play around with it a bit.

Peter

> -----Original Message-----
> From: Discussion relating to the specifics of the C# and
> Managed C++ languages [mailto:[email protected]]
> On Behalf Of Adrian Martin
> Sent: Monday, September 11, 2006 12:08 PM
> To: [email protected]
> Subject: Re: [DOTNET-CX] iterating over collection
>
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>
> Something like this should do - I think!
>
> static BaseObject FindObject(string mn, Dictionary<object, BaseObject>
> c)
>         {
>             foreach (BaseObject bo in c.Values)
>             {
>                 if (bo.MagicNumber == mn)
>                     return bo;
>             }
>
>             return null;
>         }
>
> -----Original Message-----
> From: Discussion relating to the specifics of the C# and
> Managed C++ languages [mailto:[email protected]]
> On Behalf Of Peter Osucha
> Sent: Monday 11 September 2006 15:44
> To: [email protected]
> Subject: iterating over collection
>
> I have an abstract base object.
>
> I have several classes that are derived from the base object.
>
> I have several collection classes (one for each of the
> derived classes) that internally use Dictionary<> objects -
> but of course the generic collections use derived objects
> even though all the derived objects are derived from the base object.
>
> I have several (one for each collection class) methods into
> which I pass a collection class instance and which then look
> for a specific object in the collection based on a property
> that comes from the base object.
>
> Is there a way (I can't figure one out and don't know if it's
> possible since the collection classes are all of specific
> object types) to somehow have one method into which I could
> pass any of the collection classes (since the are all based
> on the Dictionary<> object though with different generic
> objects even though all based on the abstract base
> object) and then somehow loop over them after casting to the
> base object type?
>
> It seems there *ought* to be a way even if I have to do some
> minor rework on the derived objects or the collection objects.
>
> I hope this made some sense.
>
> Peter

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