Re: Sorted Dictionary / List woes.

well that's part of the problem. See I may receive a bunch of messsages
at any time, but they won't necessarily be in chronological order. There
is no way for me to insert them into the list in order.
 

-----Original Message-----
From: Discussion forum for developers using Windows Forms to build apps
and controls [mailto:[email protected]] On Behalf Of
Ryan Heath
Sent: Tuesday, November 13, 2007 8:40 AM
To: [email protected]
Subject: Re: [DOTNET-WINFORMS] Sorted Dictionary / List woes.

I believe a SortedList is what you want, but you should add the Messages
in order, to keep them *sorted* on DateTime.

// Ryan

On Nov 13, 2007 4:16 PM, Bhatnagar, Amit <[email protected]>
wrote:
> Hi All.
>
> I have a problem that I think a
> System.Collections.Generic.SortedList/Dictionary can solve, but I am 
> unable to get it to work.
>
> I want to store a list of messages in a collection where I can check 
> if an entry already exists quickly (dictionary), but also be able to 
> return these messages in chronological order - so I thought a 
> SortedDictionary is what I wanted to do here.
>
> So I create it like SortedDictionary<long, MessageInfo> where 
> MessageInfo is a class that contains all the required info of a 
> message, and the long key is a unique identifier so I know if I am 
> adding duplicates.
>
> Now what I wanted to do is create a IComparer<> on the DateTime within

> the MessageInfo so that the SortedDictionary would use that to sort, 
> but it seems that the IComparer I make has to work on the type of the 
> key (in this case, long), or it won't complile. I guess it is only 
> ment to sort the keys of the key/value pair.
>
> Does anyone know what else I could do so I can have a collection that 
> is keyed on a unique ID, but also have the ability to return these 
> values in chronological order?
>
> thanks.
>
>
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