using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
public class MainClass
{
static void Main()
{
Customers customers = new Customers();
foreach(Customer c in customers)
{
System.Console.WriteLine(c.Name + ", " + c.Phone);
}
}
}
public class Customers : ReadOnlyCollectionBase
{
public Customers()
{
ReadCustomers();
}
public Customer this[int index]
{
get
{
return (Customer)InnerList[index];
}
}
public Customer this[string name]
{
get
{
return (Customer)this[Find(name)];
}
}
private int Find(string name)
{
for( int i = 0; i < Count - 1; i++)
{
if( this[i].Name.Equals(name) ) return i;
}
return -1;
}
private void ReadCustomers()
{
InnerList.Add( new Customer("A", "(666) 555-1212"));
InnerList.Add( new Customer("M", "(503) 555-1212"));
}
}
public class Customer
{
public Customer(string name, string phone)
{
this.Name = name;
this.Phone = phone;
}
public string Name;
public string Phone;
}
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