System.Threading.OverlappedData.GetOverlappedFromNative C# (CSharp) Method

        unsafe internal static extern OverlappedData GetOverlappedFromNative(NativeOverlapped* nativeOverlappedPtr);        
    }

        public static unsafe Overlapped Unpack(NativeOverlapped *nativeOverlappedPtr)
        {
            if (nativeOverlappedPtr == null)
            {
                throw new ArgumentNullException(nameof(nativeOverlappedPtr));
            }
            Contract.EndContractBlock();

            Overlapped overlapped = OverlappedData.GetOverlappedFromNative(nativeOverlappedPtr).m_overlapped;

            return(overlapped);
        }