js+特效+html+特效+模拟下雪景象 没是可说的眼见为实 就是运行有些卡-Js+ specific+html+ effects+ simulation of snow scene

抓取屏幕中网页的图片：获取WebBrowser控件句柄，获取网页显示区域信息，获取整个网页宽度场景，执行抓图操作-Webpage capture screen picture: get WebBrowser control handle, get Webpage display regional information, get the entire width of Webpage scene, take the screenshot operation