C# Signature:
[DllImport("kernel32.dll")]
static extern bool GetSystemPowerStatus(out SYSTEM_POWER_STATUS
lpSystemPowerStatus);
User-Defined Types:
None.
Notes:
None.
Tips & Tricks:
Please add some!
Sample Code:
// C# Example by Matt Henry (henrym@sytexinc.com) //
using System;
using System.Runtime.InteropServices; // Necessary!
namespace MyNamespace
{
/// <summary>
/// Summary description for BatteryChecker.
/// </summary>
public class BatteryChecker
{
public BatteryChecker()
{
// Nothing
}
[DllImport("Kernel32")]
private static extern Boolean GetSystemPowerStatus( SystemPowerStatus sps );
public static SystemPowerStatus GetSystemPowerStatus()
{
SystemPowerStatus sps = new SystemPowerStatus();
GetSystemPowerStatus( sps );
return sps;
}
}
public enum ACLineStatus : byte
{
Offline = 0, Online = 1, Unknown = 255
}
public enum BatteryFlag : byte
{
High = 1,
Low = 2,
Critical = 4,
Charging = 8,
NoSystemBattery = 128,
Unknown = 255
}
// Fields must mirror their unmanaged counterparts, in order
[StructLayout( LayoutKind.Sequential )]
public class SystemPowerStatus
{
public ACLineStatus _ACLineStatus;
public BatteryFlag _BatteryFlag;
public Byte _BatteryLifePercent;
public Byte _Reserved1;
public Int32 _BatteryLifeTime;
public Int32 _BatteryFullLifeTime;
}
}
Alternative Managed API:
Do you know one? Please contribute it!
