当用户离开当前窗口时暂停的计时器

本文介绍了当用户离开当前窗口时暂停的计时器的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

伙计， i需要你的帮助。 i想要设计一个计时器，只要用户进入新标签或当前窗口失去焦点，该计时器就会暂停。 plz help

Guys, i need ur help. i want to design a timer which pauses whenever a user enters a new tab or the current window loses focus. plz help

推荐答案

每个控件都有丢失焦点事件 [ ^ ]当该控件失去焦点时捕获。 捕获选项卡或窗口的丢失焦点事件然后停止此事件的计时器。 Every control has a lost focus event[^] that is captured when that control looses focus. Capture the lost focus event for the tab or window and then stop the timer on this event.