using System; namespace DotNext.Runtime { internal sealed class GCIntermediateReference : WeakReference { internal GCIntermediateReference(object obj) : base(obj, obj is IGCCallback) { } internal void Clear() { object target = Target; if (target != null) { (target as IGCCallback)?.StopTracking(); try { Target = null; } catch (InvalidOperationException) { } } } } }