Introduction - If you have any usage issues, please Google them yourself
In this paper, the procedures for the realization of the screen randomly generated snowflakes of different sizes and at different speeds decline. Compared to the first edition, it has done a lot of performance optimization, directly in the context of desktop mapping snowflakes. Also, now through RedrawWindow, the realization of the desktop icons (such as the taskbar) Draw a snowflake. You can use it to study GDI.