IPAddressInformationCollection.cs

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