xamarinmac 
namespace GameKit
{
    [Introduced(PlatformName.MacOSX, 10, 9, PlatformArchitecture.All, null)]
    [Register("GKGameCenterViewController", true)]
    [Unavailable(PlatformName.WatchOS, PlatformArchitecture.All, null)]
    public class GKGameCenterViewController : NSViewController, IGKViewController, INativeObject, IDisposable
}
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Reference this API
.NET
6.07.08.09.0
Information specific to xamarinmac
Assembly

Xamarin.Mac , Version=0.0.0.0, PublicKeyToken=84e04ff9cfb79065

Referencing

The API is automatically referenced.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API