IDictionaryDebugView.cs

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using System.Collections.Generic;
using System.Diagnostics;
 
namespace System.Collections.Concurrent;
 
internal sealed class IDictionaryDebugView<TKey, TValue>
{
    private readonly IDictionary<TKey, TValue> _dictionary;
 
    [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
    public KeyValuePair<TKey, TValue>[] Items
    {
        get
        {
            KeyValuePair<TKey, TValue>[] array = new KeyValuePair<TKey, TValue>[_dictionary.Count];
            _dictionary.CopyTo(array, 0);
            return array;
        }
    }
 
    public IDictionaryDebugView(IDictionary<TKey, TValue> dictionary)
    {
        if (dictionary == null)
        {
            System.ThrowHelper.ThrowArgumentNullException("dictionary");
        }
        _dictionary = dictionary;
    }
}