Return the X-position of the end point of this connector, in English
        Metric Units (as a |Length| object).

def end_x(self):
        """
        Return the X-position of the end point of this connector, in English
        Metric Units (as a |Length| object).
        """
        cxnSp = self._element
        x, cx, flipH = cxnSp.x, cxnSp.cx, cxnSp.flipH
        end_x = x if flipH else x+cx
        return Emu(end_x)