[ali_selaidin]

So i have this:

List<CustomClass> list1 = new List<CustomClass>;

list1.Add(CustomClass);
list1.Add(CustomClass);

List<CustoClass> list2 = new List<CustomClass>;
list2 = list1; //the Count of list2 is equal to 2
list1.Clear(); //the Count of list2 is equal to 0

So when i clear list1, list2 is cleared as well. Why? I don't want that.

[programble]

Use list1.Clone()

[SigurdSuhm]

The reason is that List<T> is a class and thus a reference type. When you assign list2 to be equal to list1 you actually point them towards the same reference instead of copying the list.

It should be easy to find some articles on reference and value types on the internet.