public void SetParentHandle(SafeWinHttpHandle parentHandle)
            {
                Debug.Assert(_parentHandle == null);
                Debug.Assert(parentHandle != null);
                Debug.Assert(!parentHandle.IsInvalid);

                bool ignore = false;
                parentHandle.DangerousAddRef(ref ignore);
                
                _parentHandle = parentHandle;
            }
            public void SetParentHandle(SafeWinHttpHandle parentHandle)
            {
                Debug.Assert(_parentHandle == null);
                Debug.Assert(parentHandle != null);
                Debug.Assert(!parentHandle.IsInvalid);

                bool ignore = false;

                parentHandle.DangerousAddRef(ref ignore);

                _parentHandle = parentHandle;
            }