'Set/get window size.'

def size(self, width=None, height=None):

    sc = System.Console
    if ((width is not None) and (height is not None)):
        (sc.BufferWidth, sc.BufferHeight) = (width, height)
    else:
        return (sc.BufferWidth, sc.BufferHeight)
    if ((width is not None) and (height is not None)):
        (sc.WindowWidth, sc.WindowHeight) = (width, height)
    else:
        return ((sc.WindowWidth - 1), (sc.WindowHeight - 1))
