Convert List<Cookie> to CookieCollection in C#

Question

Let's say I have List<Cookie> and I want to convert it to a CookieCollection. What's the easiest way to do this?

I know I can use a foreach loop, but isn't there a way to instantiate it with code similar to this?

List<Cookie> l = ...;
var c = new CookieCollection() { l };

When I try to compile that though, I get the error:

The best overloaded Add method 'System.Net.CookieCollection.Add(System.Net.CookieCollection)' for the collection initializer has some invalid arguments

btw, there are two Add methods that CookieCollection supports:

public void Add(Cookie cookie);
public void Add(CookieCollection cookies);

Answer 1

You can pass a lambda to the ForEach method of a List. This will work independent of the constructors of the CookieCollection.

List<Cookie> l = ...;
var c = new CookieCollection();
l.ForEach(tempCookie => c.Add(tempCookie));

Answer 2

CookieCollection was written before .Net 2 (before Generics). Therefore, there's really no quick nice way to do it other than manually with a foreach loop.

Answer 3

List<Cookie> l = ...;
var c = new CookieCollection();
l.ForEach(x => c.Add(x));

Answer 4

You might consider looking at this (potentially) duplicate question.

Answer 5

Given c and l as in your first example, this'll do:

l.ForEach(c.Add);