1. Wallpaper Settings
To define a wallpaper in Windows, at least 2 elements are needed:
- An image file (.bmp)
- A registry key (HKCU)
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2. MSI Integration
The file
The wallpaper must be a .bmp file
This .bmp file must be located in %windir% (C:\Windows)
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The Registry Key
The following registry entry allows to define a wallpaper for a USER:
[HKEY_CURRENT_USER\Control Panel\Desktop] "Wallpaper"="C:\\Windows\\MyWallpaper.bmp"