System.Drawing.FastBitmap.UnlockBitmap C# (CSharp) Method

        private void UnlockBitmap()
        {
            if (!_locked) throw new InvalidOperationException("Not currently locked");

            _bitmap.UnlockBits(_bitmapData);
            _bitmapData = null;
            _pBase = null;
            _locked = false;
        }