获取滚动位置百分比 [英] Get scroll Position Percentage

问题描述

我需要能够确定用户何时滚动浏览了面板中60％的内容，而我并没有太多运气找到解决方案.

I need to be able to determine when the user has scrolled through 60% of the content in a panel and I'm not having much luck finding a solution for this.

预先感谢您的任何想法.

Thanks in advance for any ideas.

推荐答案

在面板上的

On Panel's Scroll Event, you can do

double scrollPercentage = (double) 
                scrollbar.VerticalScroll.Value / scrollBar.VerticalScroll.Maximum;

if (scrollPercentage > 0.6)
{
    ...
}

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