to sort a collection that I do not know what type does it have?

Is there a way in .NET that I can sort my collection when I do not know what types of objects at run time I will pass to this collection and also by avoiding Reflec开发者_如何学Ction.

any thoughts?

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You do need some way of comparing elements. The usual way is to demand IComparable:

class MyCollection<T> where T : IComparable<T>
{
}

or use an IComparer, either for the Sorting method or the constructor:

class MyCollection<T> // where T : IComparable<T>
{
    void Sort(IComparer<T> comparer) 
    {
        if  (comparer.Compare(a, b) > 0) { ... }
    }
}

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Why can't you use an ArrayList collection?

ArrayList list = new ArrayList();
list.Add("R");
list.Add("B");
list.Add("G");
list.Sort();
//produces "B","G","R"

list.Clear();
list.Add(100);
list.Add(10);
list.Add(9);
list.Sort();
//produces 9,10,100