<PackageReference Include="NETStandard.Library" Version="2.0.3" />

System.ComponentModel.Design.ViewTechnology

public enum ViewTechnology
namespace System.ComponentModel.Design { public enum ViewTechnology { Default = 2, [Obsolete("This value has been deprecated. Use ViewTechnology.Default instead. http://go.microsoft.com/fwlink/?linkid=14202")] Passthrough = 0, [Obsolete("This value has been deprecated. Use ViewTechnology.Default instead. http://go.microsoft.com/fwlink/?linkid=14202")] WindowsForms = 1 } }