namespace System
{
    [AttributeUsage(AttributeTargets.Class, Inherited = true)]
    public sealed class AttributeUsageAttribute : Attribute
    {
        public AttributeUsageAttribute(AttributeTargets validOn);
    }
}
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Assembly System.Runtime , Version=7.0.0.0, PublicKeyToken=b03f5f7f11d50a3a
.NET 5.05.0-windows6.06.0-android6.0-ios6.0-maccatalyst6.0-macos6.0-tvos6.0-watchos6.0-windows7.07.0-android7.0-ios7.0-macos7.0-tvos7.0-watchos7.0-windows
.NET Core 1.01.12.02.12.23.03.1
.NET Framework 1.01.12.03.03.53.5 (Client)4.04.0 (Client)4.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard 1.01.11.21.31.41.51.62.02.1
Xamarin Android 0.0
Xamarin iOS 0.0
Xamarin macOS 0.0
Xamarin tvOS 0.0
Xamarin watchOS 0.0
OS Platforms

For the selected framework this API is supported on all OS platforms.

  • Built-in API
  • Package-provided API

11/26/2022
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