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POHow do I perform a FindAll() on an IList<T>? (eg. SortedList.Values)
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  1. POHow do I perform a FindAll() on an IList<T>? (eg. SortedList.Values)
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    copied!<p>I'm working on a problem in C# 2.0/.NET 2.0 where I have a Sortedlist and want to search all the "values" (not the "keys") of this SortedList for a certain substring and count up how many occurrences there are.</p> <p>This is what I'm trying to do:</p> <pre><code>{ Sortedlist&lt;string,string&gt; mySortedList; // some code that instantiates mySortedList and populates it with data List&lt;string&gt; myValues = mySortedList.Values; // &lt;== does not work int namesFound = myValues.FindAll(ByName(someName)).Count; } </code></pre> <p>Naturally, this doesn't work because mySortedList.Values returns an IList, while "myValues" is a List. I tried "casting" the IList so that it would be accepted by myValues, but it doesn't seem to work.</p> <p>Of course, I can loop over mySortedList.Values in a "foreach" loop, but I don't really want to do this.</p> <p>Anyone have any suggestions?</p> <p>EDIT-1: Ok, well it looks like there isn't a native way to do this easily. I had assumed that I was just missing something, but apparently I'm not. So I guess I'm just going to do a "foreach" over the IList. </p> <p>Thanks for the feedback everyone! I voted everyone up 1 because I thought all the feedback was good. Thanks again! :-)</p> <p>EDIT-2: Looks like CMS has the answer I was looking for. The only caveat with this (as Qwertie pointed out) is that there is a potential performance penalty since it involves copying all the values to another List and then searching that list start-to-finish. So for short lists, this answer is effective. Longer lists? well that's up to you to decide...</p>
 

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