net9.0 
namespace System.Diagnostics.CodeAnalysis
{
    [AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
    public sealed class NotNullWhenAttribute : Attribute
}
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.NET 5.06.07.08.09.0
.NET Core 3.03.1
.NET Standard 2.1
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
11/21/2024
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