To see the changes you should be well versed with handling registry entries with your system. For your above solution you should be capable to restrict changes to Display Properties.
When you change these registry entries, their impact is normally not effective until the user logs off and logs on. To force the above changes to become effective immediately, without the need to log off and log on, use the following command:
Code:
%SystemRoot%\System32\RUNDLL32.EXE user32.dll, UpdatePerUserSystemParameters
Here is a sample script that can be run to change the current user's wallpaper and screen saver entries, preventing access to the relevant Display Properties tabs, and making the changes effective immediately.
NOTE: The sample code can even be included in a logon script.
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