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,

本文的程序实现在屏幕上随机产生不同大小的雪花，并以不同的速度下降。相对于第一版，它在很多性能上做了优化，直接在桌面的上下文中绘制雪花。而且，现在也通过RedrawWindow，实现在桌面的图标(如任务栏)上绘制雪花了。你可以用它来学习GDI。-In this paper, the procedures for the realization of the screen randomly generated snowflakes of different sizes and at differen