<PackageReference Include="NETStandard.Library" Version="2.0.0" />

System.Runtime.InteropServices.MarshalAsAttribute

public sealed class MarshalAsAttribute : Attribute
namespace System.Runtime.InteropServices { public sealed class MarshalAsAttribute : Attribute { public UnmanagedType ArraySubType; public int IidParameterIndex; public string MarshalCookie; public string MarshalType; public Type MarshalTypeRef; public VarEnum SafeArraySubType; public Type SafeArrayUserDefinedSubType; public int SizeConst; public short SizeParamIndex; public UnmanagedType Value { get; } public MarshalAsAttribute(short unmanagedType); public MarshalAsAttribute(UnmanagedType unmanagedType); } }