DosTips.com

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%windir%\system32\rundll32.exe PowrProf.dll, SetSuspendState 0,1,0

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@PowerShell -Command "Add-Type -Assembly System.Windows.Forms; if (-NOT [System.Windows.Forms.Application]::SetSuspendState([System.Windows.Forms.PowerState]::Suspend, $true, $false)) { write-host "Couldn`'t set suspend state: Denied.`r`nSee: https://msdn.microsoft.com/en-us/library/system.windows.forms.application.setsuspendstate`(v=vs.110`).aspx"; };"

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Add-Type -Assembly System.Windows.Forms

if (-NOT [System.Windows.Forms.Application]::SetSuspendState([System.Windows.Forms.PowerState]::Suspend, $true, $false)) {
   write-host "Couldn't set suspend state: Denied".
   write-host "See: https://msdn.microsoft.com/en-us/library/system.windows.forms.application.setsuspendstate(v=vs.110).aspx"
}

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using System;
using System.Runtime.InteropServices; 

using HRESULT = System.Int32;
using LONG    = System.Int32;


namespace PInvokeDirectShow {
public class IVideoProcAmp {
   [DllImport ("???.dll", CharSet=CharSet.Auto, ExactSpelling=true, SetLastError=true)]
   private static extern HRESULT put_Brightness(
      LONG Value,
      LONG Flags
   );
}
}

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shutdown /l

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@ echo off
:: Scheduled task batch to stop YourServiceName service, change Power Plan to Balanced defined in
:: Windows Power Options, thus enabling OS to activate sleep mode if no user activity

set "servn=YourServiceName"
set "mes1=%servn% is up"
set "mes2=%servn% is down"
set "mes3=Stopping service..."
set "mes4=Current Power Plan"
set "mes5=PC will sleep if no user activity"
set "mes6=Exiting program"
echo/
tasklist /nh /fi "imagename eq %servn%.exe" | find /i "%servn%" && (set serv=1 & echo %mes1%) || (set serv=0 & echo %mes2%)
if %serv% equ 1 net stop %servn% 1> nul && (echo/ & echo %mes3% %mes2%)
for /f "tokens=4-7 skip=1" %%a in ('powercfg -l') do (
   if "%%b"=="(Balanced)" (set pquid=%%a & set "plann=%%b")
   if "%%c"=="*" (
      set "planc=%%b"
   ) else if "%%d"=="*" (
      set "planc=%%b %%c"
      )
)
if "%planc%"=="%plann%" (
   echo/ & echo %mes4% "%planc:~1,-1%"
) else (
   powercfg -s %pquid%
   echo/ & echo %mes4% "%planc:~1,-1%" changed to "%plann:~1,-1%". %mes5%
)
echo/ & echo %mes6%
timeout /t 10 /nobreak > nul
exit /b

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// // >nul 2> nul & @goto :main
/*
:main
   @echo off
   setlocal
   cls

   set "csc="

   pushd "%SystemRoot%\Microsoft.NET\Framework"
   for /f "tokens=* delims=" %%i in ('dir /b /o:n "v*"') do (
      dir /a-d /b "%%~fi\csc.exe" >nul 2>&1 && set "csc="%%~fi\csc.exe""
   )
   popd

   if defined csc (
      echo most recent C#.NET compiler located in:
      echo %csc%.
   ) else (
      echo C#.NET compiler not found.
      goto :eof
   )

   for %%a in ("%~dpn0") do for %%b in ("%%~dpna") do (
rem      %csc% /?
rem      %csc% /nologo /optimize /warnaserror /nowin32manifest /unsafe /debug- /target:exe /out:"%%~b.exe" "%~f0"
rem      %csc% /nologo /warnaserror /r:System.dll /r:System.Windows.Forms.dll /r:System.Drawing.dll /target:exe /out:"%~f1.exe" "%~f1.cs"
      %csc% /nologo /r:System.dll /r:System.Management.dll /target:exe /out:"%%~b.exe" "%~f0"
   )
   exit /B
*/

using System;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Management;

using BOOL = System.Boolean;
using UINT = System.UInt32;
using DWORD = System.UInt32;


public class GetLastInputTime {
   [StructLayout(LayoutKind.Sequential)]
   struct LASTINPUTINFO {
      public static readonly int SizeOf = Marshal.SizeOf(typeof(LASTINPUTINFO));
      public UINT cbSize;    
      public DWORD dwTime;
   }

   [DllImport ("user32.dll", CharSet=CharSet.Auto, ExactSpelling=true, SetLastError=true)]
   static extern BOOL GetLastInputInfo(
      ref LASTINPUTINFO plii
   );

   public static void Main (string [] args) {
      LASTINPUTINFO lii = new LASTINPUTINFO(); 
      lii.cbSize = (UINT)Marshal.SizeOf(lii); 

      if (!GetLastInputInfo(ref lii)) { 
         Console.Error.WriteLine ("Failed GetLastInputInfo: {0}", Marshal.GetLastWin32Error());
      } else {
         Console.WriteLine ("{0}", (Environment.TickCount - lii.dwTime));
      }
   }
}