net451 
namespace System.Reflection.Metadata.Ecma335
{
    public static class MetadataTokens
    {
        public static DeclarativeSecurityAttributeHandle DeclarativeSecurityAttributeHandle(int rowNumber);
    }
}
.NET
5.06.07.08.09.010.011.0
.NET Core
1.01.12.02.12.23.03.1
.NET Framework
4.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to net451
Assembly

System.Reflection.Metadata , Version=1.0.12.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs a package reference to Microsoft.Bcl.Metadata.

Package Microsoft.Bcl.Metadata (1.0.12-alpha) portable-net45+win8
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API