C# winform: using CMD to select POWERPLAN (powercfg)

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You guys have any better idea to select the power plan using c# or is it better to run the cmd to select the power plan through C# ?. Any idea why my code not work ? or any better idea ?

What I have tried:

System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
startInfo.FileName = "cmd.exe";
startInfo.Arguments = "powercfg -setactive  8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c";
process.StartInfo = startInfo;
process.Start();

Posted 6-Aug-17 4:25am

Asyraf Patt

Updated 6-Aug-17 4:31am

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Thomas Daniels · Accepted Answer · 2017-08-06T04:26:00

Solution 1

CMD needs a /c switch to execute a process passed as argument, so you'll have to do this:

C#

startInfo.Arguments = "/c powercfg -setactive 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c";

Posted 6-Aug-17 4:26am

Thomas Daniels

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Karthik_Mahalingam 6-Aug-17 23:45pm

5

Asyraf Patt · Accepted Answer · 2017-08-06T04:31:00

Okay, just find out the Answer.

u guys can : insert the

Process.Start("powercfg", "-setactive  GUID_VALUE");

Example GUID VALUE:

Power Scheme GUID: 381b4222-f694-41f0-9685-ff5bb260df2e (Balanced)
Power Scheme GUID: 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c (High performance) *
Power Scheme GUID: a1841308-3541-4fab-bc81-f71556f20b4a (Power saver)