// IdleTime.cpp : Defines the entry point for the console application.
//
 
#include "stdafx.h";
#include "powrprof.h"
 
 
using namespace std;
 
 
int _tmain(int argc, _TCHAR* argv[])
{
    double tickCount;
double idleCount;
LASTINPUTINFO lpi;
lpi.cbSize = sizeof(LASTINPUTINFO);
 
if (!GetLastInputInfo(&lpi))
{
// failed, use GetLastError to get error code
}
 
// lpi.dwTime now holds the tick count when last input was made
 
//cout << lpi.dwTime << endl;
tickCount = GetTickCount();
idleCount = ( tickCount - lpi.dwTime );
cout << idleCount / 1000 << endl;
 
//GLOBAL_POWER_POLICY CurrentGP;
//POWER_POLICY CurrentPP;
//UINT id;
//GetActivePwrScheme(&id);                          //capture id of current scheme
//GetCurrentPowerPolicies(&CurrentGP,&CurrentPP);   //get active policies
////if(CanUserWritePwrScheme() == FALSE) {cout << "no";};
 
GLOBAL_POWER_POLICY CurrentGP;
POWER_POLICY CurrentPP;
ULONG savVidAC,savVidDC;
UINT id;
//UINT ssav;
 
 
GetActivePwrScheme(&id);                          //capture id of current scheme
GetCurrentPowerPolicies(&CurrentGP,&CurrentPP);   //get active policies
savVidAC = CurrentPP.user.VideoTimeoutAc;         //save current values
savVidDC = CurrentPP.user.VideoTimeoutDc;
 
CurrentPP.user.VideoTimeoutAc = 15;                
CurrentPP.user.VideoTimeoutDc = 14;
//set new values.  Not sure how to save values
WritePwrScheme(id,"test1","test1",&CurrentPP);
WriteGlobalPwrPolicy(&CurrentGP);
 
//SetCurrentPowerPolicies(id,CurrentGP,&CurrentPP); //set new values
// get error:  Error	1	error C3861: 'SetCurrentPowerPolicies': identifier not found	
//      c:\Programming\PowerManagement\SetPMSettingsCPlusPlus\IdleTime\IdleTime.cpp	50	
 
//SystemParametersInfo (SPI_GETSCREENSAVETIMEOUT,0,&ssav,0);  //save current value
//SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,0,NULL,0);    //turn off screen saver
 
	return 0;
}

unsigned int ps;
unsigned int timeout;
POWER_POLICY pp;
 
timeout = 5;
 
GetActivePwrScheme(&id);   
ReadPwrScheme(ps, &pp);
pp.user.VideoTimeoutAc = timeout;
SetActivePwrScheme(ps, 0, &pp);

POWER_POLICY CurrentPowerPolicy;
UINT	psIdx = 0;
 
#define TEST_VALUE_AC   7200
#define TEST_VALUE_DC   7200
 
GetActivePwrScheme(&psIdx); 
ReadPwrScheme(psIdx, &CurrentPowerPolicy);
CurrentPowerPolicy.user.VideoTimeoutAc = TEST_VALUE_AC;
CurrentPowerPolicy.user.VideoTimeoutDc = TEST_VALUE_DC;
WritePwrScheme(&psIdx,NULL,NULL, &CurrentPowerPolicy); 
SetActivePwrScheme(psIdx, NULL, NULL);