Add Collection Items with IComparable interface implementation : Generic Collections « Generics « C# / C Sharp

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C# / C Sharp » Generics » Generic CollectionsScreenshots 
Add Collection Items with IComparable interface implementation
   
using System;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.Text;
using System.Runtime.Serialization;


public class Customer : System.IComparable {
    private int _id;
    private string _name;
    private string _rating;
    private static SortOrder _order;

    public enum SortOrder {
        Ascending = 0,
        Descending = 1
    }

    public Customer(int id, string name)
        this(id, name, "Other") {
    }

    public Customer(int id, string name, string rating) {
        this._id = id;
        this._name = name;
        this._rating = rating;
    }

    public int Id {
        get return this._id; }
        set this._id = value; }
    }

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

    public string Rating {
        get return this._rating; }
        set this._rating = value; }
    }

    public static SortOrder Order {
        get return _order; }
        set _order = value; }
    }

    public override bool Equals(Object obj) {
        bool retVal = false;
        if (obj != null) {
            Customer custObj = (Customer)obj;
            if ((custObj.Id == this.Id&&
                (custObj.Name.Equals(this.Name&&
                (custObj.Rating.Equals(this.Rating))))
                retVal = true;
        }
        return retVal;
    }

    public override string ToString() {
        return this._id + ": " this._name;
    }

    public int CompareTo(Object obj) {
        switch (_order) {
            case SortOrder.Ascending:
                return this.Name.CompareTo(((Customer)obj).Name);
            case SortOrder.Descending:
                return (((Customer)obj).Name).CompareTo(this.Name);
            default:
                return this.Name.CompareTo(((Customer)obj).Name);
        }
    }

}

public class CollectionTest {
    public static void Main() {
        Collection<Customer> custColl = new Collection<Customer>();
        custColl.Add(new Customer(1"S"));
        custColl.Add(new Customer(2"K"));
        custColl.Add(new Customer(3"T"));

        custColl.Insert(1new Customer(4"Inserted Employee"));

        custColl[3new Customer(9"F");

        foreach (Customer cust in custColl)
            Console.Out.WriteLine(cust);
    }
}

   
    
  
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