是否可以从Windows8.1应用程序更改桌面墙纸？
[英]Is it possible to change desktop wallpaper from Windows8.1 app?
问题描述
I've searched a lot about this topic and couldn't find a good solution, so: 
我搜索了很多关于这个主题的内容并且找不到一个好的解决方案，所以：
Is there a way to change the desktop wallpaper from within a windows8.1 app using c#/xaml? 有没有办法使用c＃/ xaml从windows8.1应用程序中更改桌面墙纸？ eg. 例如。 by simply providing an image? 通过简单地提供图像？
2 个解决方案
解决方案1
5 2013-11-04 14:07:51
As far as i know Win 8 Apps are Sandboxed 据我所知，Win 8 应用程序是Sandboxed
You have to Subscribe to everything not included in that Sandbox like using Audio output, the Webcam etc. so the Windows Appstore can show a user what your App wants to Access. 您必须订阅Sandbox中未包含的所有内容，例如使用音频输出，网络摄像头等，以便Windows Appstore可以向用户显示您的应用程序想要访问的内容。
If Windows 8 doesn't provide "Desktop Control" as Subscribable Interface you cannot do this in an App 如果Windows 8不提供“Desktop Control”作为Subscribable Interface，则无法在App中执行此操作
(I have no Win 8+VisualStudio here so i can't test it right now) （我这里没有Win 8 + VisualStudio所以我现在无法测试它）
解决方案2
2 已采纳 2013-11-04 23:53:36
You should look into creating a Theme Pack in Windows 8 您应该考虑在Windows 8中创建主题包
http://msdn.microsoft.com/en-us/library/windows/desktop/bb773190(v=vs.85).aspx http://msdn.microsoft.com/en-us/library/windows/desktop/bb773190(v=vs.85).aspx
It looks like LaunchFileAsync() blocks certain file types and .theme and .deskthemepack are blocked. 它看起来像LaunchFileAsync（）阻止某些文件类型和.theme和.deskthemepack被阻止。 You will need have the user download the file to their desktop and then double-click on the file. 您需要让用户将文件下载到他们的桌面，然后双击该文件。
There is currently no way to set the desktop background - but you can set the lock screen background in a Windows Store app. 目前无法设置桌面背景 - 但您可以在Windows应用商店应用中设置锁定屏幕背景。
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