[ADVANCED-DOTNET] Annonymous delegate question

[Paul Cowan]

Hi,

I have the following code running in a

results.ForEach(
    delegate(string s)
    {
        s = s.Replace("¬", messageNumber.ToString());
    }
);

Results is a generic List<>

After the ForEach has executed, the elements of the results List<> have
not changed, I have to do this:

int index = 0;
results.ForEach(
    delegate(string s)
    {
        results[index] = s.Replace("¬", messageNumber.ToString());
        index++;
    }
);

Can anyone explain to me why this is?

Cheers

Paul

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