net9.0 
namespace System
{
    public sealed class TimeZoneInfo : IEquatable<TimeZoneInfo?>, IDeserializationCallback, ISerializable
    {
        public bool HasIanaId { get; }
    }
}
Design Reviews
.NET
6.07.08.09.010.011.0
Information specific to net9.0
Assembly

System.Runtime , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

The API is automatically referenced.

Platform Restrictions

The property getter is supported on all platforms.

  • Built-in API
  • Package-provided API