Draws a straight line that starts with an arrow and ends with a circle where you drag in the current document. To constrain the line to 45 degrees, hold down Shift while you drag.
在当前文档中拖动的位置绘制一条首端带箭头、尾端带圆形的直线。要将线条角度限制为 45 度，请在拖动时按住 Shift 键。