Launch a new process using shell execution and run NCPA.cpl. For instance:
ProcessStartInfo startInfo = new ProcessStartInfo("NCPA.cpl"); startInfo.UseShellExecute = true; Process.Start(startInfo);
As an additional reference, wikipedia has a fairly complete list of applets available to you, which you can start as follows: http://en.wikipedia.org/wiki/List_of_Control_Panel_applets .
Edit: As a small addition, it may be more reasonable to invoke the required control panel applet using the string "control appletname". This is due to the fact that although most applets can be run with their name .cpl, some of them, for example, "Administration", do not have the name .cpl, so you need to use "control admintools".
Edit 2: For additional help, check out this Knowledge Base article: http://support.microsoft.com/kb/192806 .
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