程序一运行,屏幕上出现一个黄色的边框来设定画图的区域,区域中间出现提起的画笔符号 ,当按下"W"键时,画笔符号变为 ,此时可移动方向键(上、下、左、右、左上、左下、右上、右下)来画图 当按下"R"键时,画笔符号变为 ,此时可移动方向键来擦图 在画图过程中,按下"C"键,可画出一个半径为20个象素点的圆 当结束画图时,按下"S"键,将画好的图形存盘 按下"E"键可调出已有的图形进行编辑.-Program running, a yellow border appears on the screen to set the drawing area, regional middle brought the brush symbol " W"　key is pressed, the pen symbol becomes, then you can move the arrow keys ( , left, right, upper left, lower left, upper right, lower right) to draw　" R"　key is pressed, the pen symbol into the direction of movement to wipe Figure　in the drawing process, press the " C " button, draw a radius of a circle of 20 pixels　when the end of the drawing, press the"　S " key will draw good graphics save　press the"　E " key to bring up the existing graphics edited.