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PO
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Id
241159
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0
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0
ClosedDate
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1
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CreationDate
2008-10-27T19:37:55.783
FavoriteCount
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LastActivityDate
2008-10-27T19:50:29.983
LastEditDate
2008-10-27T19:50:29.983
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13627
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13627
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241142
PostTypeId
2
Score
6
ViewCount
0
LastEditorDisplayName
driis
text
Body
<p>You could use the GetSystemPowerStatus function using P/Invoke. See: <a href="http://msdn.microsoft.com/en-gb/library/aa372693.aspx" rel="noreferrer">http://msdn.microsoft.com/en-gb/library/aa372693.aspx</a></p> <p>Here's an example:</p> <pre><code>using System; using System.Runtime.InteropServices; namespace PowerStateExample { [StructLayout(LayoutKind.Sequential)] public class PowerState { public ACLineStatus ACLineStatus; public BatteryFlag BatteryFlag; public Byte BatteryLifePercent; public Byte Reserved1; public Int32 BatteryLifeTime; public Int32 BatteryFullLifeTime; // direct instantation not intended, use GetPowerState. private PowerState() {} public static PowerState GetPowerState() { PowerState state = new PowerState(); if (GetSystemPowerStatusRef(state)) return state; throw new ApplicationException("Unable to get power state"); } [DllImport("Kernel32", EntryPoint = "GetSystemPowerStatus")] private static extern bool GetSystemPowerStatusRef(PowerState sps); } // Note: Underlying type of byte to match Win32 header 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 } // Program class with main entry point to display an example. class Program { static void Main(string[] args) { PowerState state = PowerState.GetPowerState(); Console.WriteLine("AC Line: {0}", state.ACLineStatus); Console.WriteLine("Battery: {0}", state.BatteryFlag); Console.WriteLine("Battery life %: {0}", state.BatteryLifePercent); } } } </code></pre>
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1. POC# .NET: How to check if we're running on battery?
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