GetSystemPowerCapabilities()
{
PowerManagementNativeMethods.SystemPowerCapabilities powerCap;
uint retval = PowerManagementNativeMethods.CallNtPowerInformation(
PowerManagementNativeMethods.PowerInformationLevel.SystemPowerCapabilities,
IntPtr.Zero, 0, out powerCap,
(UInt32)Marshal.SizeOf(typeof(PowerManagementNativeMethods.SystemPowerCapabilities))
);
if (retval == CoreNativeMethods.StatusAccessDenied)
{
throw new UnauthorizedAccessException(LocalizedMessages.PowerInsufficientAccessCapabilities);
}
return(powerCap);
}
internal static PowerManagementNativeMethods.SystemBatteryState GetSystemBatteryState()
{
PowerManagementNativeMethods.SystemBatteryState batteryState;
uint retval = PowerManagementNativeMethods.CallNtPowerInformation(
PowerManagementNativeMethods.PowerInformationLevel.SystemBatteryState,
IntPtr.Zero, 0, out batteryState,
(UInt32)Marshal.SizeOf(typeof(PowerManagementNativeMethods.SystemBatteryState))
);
if (retval == CoreNativeMethods.StatusAccessDenied)
{
throw new UnauthorizedAccessException(LocalizedMessages.PowerInsufficientAccessBatteryState);
}
return(batteryState);
}
