说明：  可以在桌面上飘动无数雪花，并在桌面中心显示闪动文字，此种CSharp源码并不多见，在此分享给各位网友，想飘别的东西也可以，换成其他图片就可以了。
(Countless snowflakes fluttering on the desktop display flashing text and center on the desktop, such CSharp source rare, netizens share want Gone something else, can be replaced with other pictures.)