Yea.Compression.BitArrayCompress.Not C# (CSharp) Method

        public BitArrayCompress Not()
        {
            lock (_lock)
            {
                CheckBitArray();

                uint[] left = GetUncompressed();

                for (int i = 0; i < left.Length; i++)
                    left[i] = ~left[i];

                return new BitArrayCompress(Type.Uncompressed, left);
            }
        }