xamarinmac 
namespace System.Device.Gpio.Drivers
{
    public class HummingBoardDriver : GpioDriver
    {
        protected internal override ?! OpenPin(?! pinNumber);
    }
}
.NET
5.06.07.08.09.010.0
.NET Core
2.02.12.23.03.1
.NET Framework
4.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to xamarinmac
Assembly

System.Device.Gpio , Version=3.2.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Your project needs a package reference to System.Device.Gpio.

Package System.Device.Gpio (3.2.0) netstandard2.0
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API