System.Uri.CreateUri C# (CSharp) Method

        private void CreateUri(Uri baseUri, string relativeUri, bool dontEscape)
        {
            // Parse relativeUri and populate Uri internal data.
            CreateThis(relativeUri, dontEscape, UriKind.RelativeOrAbsolute);

            UriFormatException e;
            if (baseUri.Syntax.IsSimple)
            {
                // Resolve Uris if possible OR get merged Uri String to re-parse below
                Uri uriResult = ResolveHelper(baseUri, this, ref relativeUri, ref dontEscape, out e);

                if (e != null)
                    throw e;

                // If resolved into a Uri then we build from that Uri
                if (uriResult != null)
                {
                    if ((object)uriResult != (object)this)
                        CreateThisFromUri(uriResult);

                    return;
                }
            }
            else
            {
                dontEscape = false;
                relativeUri = baseUri.Syntax.InternalResolve(baseUri, this, out e);
                if (e != null)
                    throw e;
            }

            _flags = Flags.Zero;
            _info = null;
            _syntax = null;
            // If not resolved, we reparse modified Uri string and populate Uri internal data.
            CreateThis(relativeUri, dontEscape, UriKind.Absolute);
        }