捕获聚焦窗的手柄? [英] Capturing handle of focusing window?

问题描述

大家好！
我想编写一个可以获取一些聚焦窗口的MFC应用程序.例如:如果我的程序正在运行并且您正在与某人聊天，则我的程序可以控制聊天窗口.你能帮助我吗?非常感谢！

Hi, everybody!
I want to code a MFC application which can get some focusing windows. Ex: if my program is running and you are chatting with someone, my program can get control of the chatting window. Can you help me? Thanks so much!

推荐答案

使用带有WH_CBT参数的SetWindowsHookEx创建一个全局CBT挂钩.现在，当窗口即将成为焦点时，您的代码将得到通知.

Create a global CBT hook using the SetWindowsHookEx with the WH_CBT parameter. You''re code will now get notification when a window is about to get the focus.

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