net9.0 
namespace System.Net.Http
{
    public class HttpIOException : IOException
    {
        public override string! Message { get; }
    }
}
.NET
9.0
Information specific to net9.0
Assembly

System.Net.Http , 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