UnicastIPAddressInformationCollection.cs

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using System.Collections;
using System.Collections.Generic;
 
namespace System.Net.NetworkInformation;
 
public class UnicastIPAddressInformationCollection : ICollection<UnicastIPAddressInformation>, IEnumerable<UnicastIPAddressInformation>, IEnumerable
{
    private readonly List<UnicastIPAddressInformation> _addresses = new List<UnicastIPAddressInformation>();
 
    public virtual int Count => _addresses.Count;
 
    public virtual bool IsReadOnly => true;
 
    public virtual UnicastIPAddressInformation this[int index] => _addresses[index];
 
    protected internal UnicastIPAddressInformationCollection()
    {
    }
 
    public virtual void CopyTo(UnicastIPAddressInformation[] array, int offset)
    {
        _addresses.CopyTo(array, offset);
    }
 
    public virtual void Add(UnicastIPAddressInformation address)
    {
        throw new NotSupportedException(System.SR.net_collection_readonly);
    }
 
    internal void InternalAdd(UnicastIPAddressInformation address)
    {
        _addresses.Add(address);
    }
 
    public virtual bool Contains(UnicastIPAddressInformation address)
    {
        return _addresses.Contains(address);
    }
 
    IEnumerator IEnumerable.GetEnumerator()
    {
        return GetEnumerator();
    }
 
    public virtual IEnumerator<UnicastIPAddressInformation> GetEnumerator()
    {
        return _addresses.GetEnumerator();
    }
 
    public virtual bool Remove(UnicastIPAddressInformation address)
    {
        throw new NotSupportedException(System.SR.net_collection_readonly);
    }
 
    public virtual void Clear()
    {
        throw new NotSupportedException(System.SR.net_collection_readonly);
    }
}