Convert List<string> to StringCollection

Question

I need the above feature because I can only store StringCollection to Settings, not List of strings.

How does one convert List into StringCollection?

Answer 1

How about:

StringCollection collection = new StringCollection();
collection.AddRange(list.ToArray());

Alternatively, avoiding the intermediate array (but possibly involving more reallocations):

StringCollection collection = new StringCollection();
foreach (string element in list)
{
    collection.Add(element);
}

Converting back is easy with LINQ:

List<string> list = collection.Cast<string>().ToList();

Answer 2

Use List.ToArray() which will convert List to an Array which you can use to add values in your StringCollection .

StringCollection sc = new StringCollection();
sc.AddRange(mylist.ToArray());

//use sc here.

Read this

Answer 3

Here's an extension method to convert an IEnumerable<string> to a StringCollection . It works the same way as the other answers, just wraps it up.

public static class IEnumerableStringExtensions
{
    public static StringCollection ToStringCollection(this IEnumerable<string> strings)
    {
        var stringCollection = new StringCollection();
        foreach (string s in strings)
            stringCollection.Add(s);
        return stringCollection;
    }
}

Answer 4

我会比较喜欢：

Collection<string> collection = new Collection<string>(theList);