public void ChangeHibernateFileState(bool flag)
{
NativePowerManagementInterop.CallNtPowerInformation(
(int)InformationLevel.SystemReserveHiberFile,
ref flag,
Marshal.SizeOf(typeof(bool)),
IntPtr.Zero,
0);
}
public SYSTEM_POWER_INFORMATION GetSystemPowerInfo()
{
NativePowerManagementInterop.CallNtPowerInformation(
(int)InformationLevel.SystemPowerInformation,
IntPtr.Zero,
0,
out SYSTEM_POWER_INFORMATION sysPowerInfo,
Marshal.SizeOf(typeof(SYSTEM_POWER_INFORMATION)));
return(sysPowerInfo);
}
public SYSTEM_BATTERY_STATE GetSystemBatteryState()
{
NativePowerManagementInterop.CallNtPowerInformation(
(int)InformationLevel.SystemBatteryState,
IntPtr.Zero,
0,
out SYSTEM_BATTERY_STATE sysBatteryInfo,
Marshal.SizeOf(typeof(SYSTEM_BATTERY_STATE)));
return(sysBatteryInfo);
}
public String GetLastWakeTime()
{
NativePowerManagementInterop.CallNtPowerInformation(
(int)InformationLevel.LastWakeTime,
IntPtr.Zero,
0,
out ulong lastWakeTime,
Marshal.SizeOf(typeof(ulong)));
return(TimeSpan.FromTicks((long)lastWakeTime).ToString());
}
public void SetSuspendState()
{
NativePowerManagementInterop.SetSuspendState(false, false, false);
}
public void SetHibernateState()
{
NativePowerManagementInterop.SetSuspendState(true, false, false);
}
