SmartWallpaperService

SmartWallpaperService is a lightweight Windows background service designed to automatically rotate desktop wallpapers from a specified folder.
It remembers the last used image, logs activity, and works smoothly with Task Scheduler or as a standalone Windows Service.

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Features

• Automatically changes desktop wallpaper
• Rotates images from a selected folder
• Saves the current image index (does not repeat after restart)
• Creates log files for tracking
• Works with Task Scheduler or Windows Service
• Lightweight and fast

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Requirements

• Windows
• .NET Framework 4.8+
• A folder containing images (jpg / png / bmp)

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How it works

1. The service reads all images from the specified folder
2. It selects the next image using a rotating index
3. Sets the image as the desktop wallpaper
4. Saves the index for the next run
5. Logs all operations

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Configuration

Edit the App.config file:

<add key="FolderImagesPath" value="C:\Your\Image\Folder\Here" />
<add key="Logs" value="C:\Your\Logs\Here" />
 Usage with Task Scheduler

You can schedule it to run every 12 hours:

Open Task Scheduler

Create a new task

Set trigger: Daily / Every 12 hours

Set action: Start your .exe file
Save

Example Log
2025-05-08 16:42:01 ==> Service started successfully
2025-05-08 16:42:01 ==> Wallpaper changed to: image_4.jpg
2025-05-08 16:55:10 ==> Service stopped successfully