how to sort a Collection<T> ???

Question

Hi All

I have a generic Collection and am trying to work out how I can sort the items contained within it. Ive tried a few things but I cant get any of them working.

 

This is my collection class:

 

Code Snippet

public class LibraryItemCollection: Collection
    {

    }

 

 

 

This is my item class:

 

Code Snippet

public class LibraryItem : IEqualityComparer, IComparable
    {

        private string _name;
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        #region IEqualityComparer Members

        internal CaseInsensitiveComparer comparer = CaseInsensitiveComparer.Default;

        public bool Equals(LibraryItem x, LibraryItem y)
        {
            if (comparer.Compare(x.Name, y.Name) == 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        public int GetHashCode(LibraryItem obj)
        {
            return obj.ToString().ToLower().GetHashCode();
        }

        #endregion

        #region IComparable members

        public int CompareTo(LibraryItem item)
        {
            return this.Name.CompareTo(item.Name);
        }

        #endregion
}

 

 

 

any help on how I can sort the  LibraryItemCollection class would be really appreciated...

thanks

 

 

Answer 1

Hope this helps, read the entire page:

 

http://www.c-sharpcorner.com/UploadFile/dipenlama22/SortingUsingGeneric07052006081035AM/SortingUsingGeneric.aspx?ArticleID=dafdb8cc-fd02-4a4d-bd17-0c5785b1b91d

 

Answer 2

Hi

 

Thanks for the reply. I have seen that article, and while a nice solution, it doesnt work for me because he uses List<T> which has the Sort() method. I am using Collection<T> which doesnt have a sort method.. So creating a generic comparer is a bit pointless because I have no method to pass it to!

 

*UPDATE*

 

Have just worked out all I need to do is implement this method in my collection class:

 

public LibraryItemCollection Sort()

{

List<LibraryItem> items = (List<LibraryItem>)Items;

items.Sort();

return this;

}

 

and I thought it was going to be something much more complex (as per the example)

 

thanks for your help