使用 Win API 设置壁纸 [英] Setting wallpaper with Win API

问题描述

我想以编程方式设置壁纸.这是我目前找到的唯一解决方案:

I want to programmatically set a wallpaper. Here's the only solution I've found so far:

SystemParametersInfoW(SPI_SETDESKWALLPAPER, 1, (void*)wallpaperImageFilePath.utf16(), SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);

我的问题是:如何告诉 Windows 我想要壁纸图像居中(不调整大小)?上面的解决方案总是将图像设置为拉伸模式.根据 MSDN，SPI_SETDESKWALLPAPER 没有附带标志.

My question is: how to tell Windows I want the wallpaper image centered (not resized)? The solution above always sets the image in stretch mode. According to MSDN, there are no flags to accompany SPI_SETDESKWALLPAPER.

推荐答案

没有设置壁纸方向的 API 函数.您必须直接转到注册表，特别是 HKEY_CURRENT_USER\Control Panel\Desktop 键的 "WallpaperStyle" 和 "TileWallpaper" 值.请参阅这篇文章以获取示例:

There is no API function for setting the wallpaper orientation. You have to go to the Registry directly instead, specifically the "WallpaperStyle" and "TileWallpaper" values of the HKEY_CURRENT_USER\Control Panel\Desktop key. See this article for an example:

设置桌面壁纸(CppSetDesktopWallpaper)

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