Draws a closed shape consisting of straight line segments that are constrained by angles of 45 degrees. Click where you want to start the polygon, and drag to draw a line segment. Click again to define the end of the line segment, and continue clicking to define the remaining line segments of the polygon. Double-click to finish drawing the polygon. To draw a polygon that is not constrained to a 45 degree angle, hold down Shift when you click.
绘制由有 45 度角限制的直线段组成的封闭形状。在多边形开始位置单击，然后拖动以绘制直线段，再次单击以定义线段的结尾。继续单击从而定义出多边形其余的线段。双击以完成多边形的绘制。要绘制不受 45 度角限制的多边形，请在单击时按住 Shift 键。