Script Download: ChangeDesktopIconSize.zip
http://gallery.technet.microsoft.com/scriptcenter/Change-window-borderdesktop-609a6fb2

This sample demonstrates how to change the window border, desktop icon spacing, desktop background color, and wallpaper by using PowerShell script. This script completes the tasks by using P/Invoke to call Windows API functions.

IT administrators can use this script to adjust desktop appearance for a group of computers to keep a consistent user experience.

 

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You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery