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Editorial Team
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Asked: 2026-05-12T15:02:17+00:00

To do this manual i just pick a html file in the change wallpaper

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To do this manual i just pick a html file in the change wallpaper dialog and tada works..

but if i want to do this from code what api calls / reg keys must i change?

Iv tryed this SystemParametersInfo (WinAPI) didnt work and i have found out that “HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Desktop\General\Wallpaper” and “HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\LastTheme\Wallpaper” are changed to the html page.. but just editing those to from code does not change the wallpaper..

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1 Answer

  1. Editorial Team

    In order to use HTML as wallpaper, ActiveDesktop needs to be enabled first. Assuming that is already the case, then the IActiveDesktop interface has a SetWallpaper() method available. Have a look at MSDN’s “Using the Active Desktop Object” article for how to access IActiveDesktop.

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