如何检测墙纸何时发生变化(Windows XP 或更高版本)? [英] How does one detect when the wallpaper has changed (Windows XP or greater)?

问题描述

我已经想出了如何更改桌面壁纸(网上有几十个例子.)

I have figured out how to change the desktop wallpaper (there are dozens of examples on the Internet.)

我仍然无法理解的一件事:我如何检测壁纸何时发生变化?(例如通过显示"控制面板或其他程序更改它.)

One thing that still eludes me: how do I detect when the wallpaper has changed? (Say via the Display control panel or another program changing it.)

推荐答案

为 .NET 中的 WM_SETTINGCHANGE、SystemEvents.UserPreferenceChanged 添加消息处理程序.检查壁纸是否仍然相同.

Add a message handler for WM_SETTINGCHANGE, SystemEvents.UserPreferenceChanged in .NET. Check if the wallpaper is still the same.

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