net9.0
namespace System.Collections.ObjectModel
{
    [DefaultMember("Item")]
    public class ReadOnlyDictionary<TKey, TValue> : ICollection<KeyValuePair<TKey, TValue>>, IDictionary<TKey, TValue>, IEnumerable, IEnumerable<KeyValuePair<TKey, TValue>>, IReadOnlyCollection<KeyValuePair<TKey, TValue>>, IReadOnlyDictionary<TKey, TValue>, ICollection, IDictionary
        where TKey, notnull
    {
        public sealed class KeyCollection : ICollection<TKey>, IEnumerable, IEnumerable<TKey>, IReadOnlyCollection<TKey>, ICollection
        {
            public bool Contains(TKey item);
        }
    }
}
.NET 8.09.0
Information specific to net9.0
Assembly

System.Runtime , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

The API is automatically referenced.

Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API

11/22/2024
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