class PowerStatusHelper
{
[DllImport("kernel32.dll")]
protected static extern Boolean GetSystemPowerStatus(out SystemPowerStatus sps);
protected enum ACPowerState : byte
{
Offline = 0,
Online = 1,
Unknown = 255
}
protected enum BatteryFlag : byte
{
High = 1,
Low = 2,
Critical = 4,
Charging = 8,
NoSystemBattery = 128,
Unknown = 255
}
protected struct SystemPowerStatus
{
public ACPowerState LineStatus;
public BatteryFlag _BatteryFlag;
public Byte _BatteryLifePercent;
public Byte _Reserved1;
public Int32 _BatteryLifeTime;
public Int32 _BatteryFullLifeTime;
}
public static bool CheckIfACOn()
{
SystemPowerStatus sysPowerStatus = new SystemPowerStatus();
GetSystemPowerStatus(out sysPowerStatus);
return ACPowerState.Online == sysPowerStatus.LineStatus;
}
}
CheckIfACOn()调用这个方法,返回结果true则电源连接，反之亦然
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