实现了能逐渐显示各种类型的玫瑰花图片，位置随机，直到铺满桌面为止，用鼠标单击，停止显示，并弹出图片“爱你一万年，程序结束”字样。-Can be achieved gradually showed pictures of various types of roses, the location of random, until the desktop is covered so far, with the mouse click to stop shows and pop-up picture,