仿Vista进程条效果

加载中请稍候......




function DoubleAnimation(target,targetProperty,from,to,Duration)
{
this.Begin=function anonymous()
{
target[targetProperty]=from;
var starttime=new Date();
setTimeout(StoryBoard(),1);
function StoryBoard()
{
return function()
{
var now=new Date();
var d=now.getTime()-starttime.getTime();
target[targetProperty]=Math.round(from+(to-from)*d/Duration);
if(d