<PackageReference Include="NETStandard.Library" Version="2.0.2" />
System.Runtime.InteropServices.ComEventsHelper
namespace System.
Runtime.
InteropServices
{
public static class ComEventsHelper
{
public static void Combine(
object rcw,
Guid iid,
int dispid,
Delegate d);
public static Delegate Remove(
object rcw,
Guid iid,
int dispid,
Delegate d);
}
}