捕捉鼠标的轨迹，并用一双眼睛还显示它的位置。当按下鼠标左键时，可以将鼠标移到屏幕外也可得到鼠标的位置并显示在标题上。-capture mouse track, and with a pair of eyes also revealed its position. When the left mouse button pressed, the mouse can be moved to the outside screen also ca