Specifically, a string of coordinate points, zedgrapgh its attachment in x coordinate order, but I have a bunch of points is actually a polygon, I need such as in order to connect in this way, the last fore and aft I only introduced to check the information how to draw the line chart, graph, columnar pie chart and so on, but I know that seems to be can draw 2 d graphics such as polygon, what keywords, properties, methods to achieve such requirements?