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GetSystemPowerStatusEx (coredll)
 

coredll is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for GetSystemPowerStatusEx in other DLLs exists, click on Find References to the right.

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Summary
Retrieves the power status of the system.

C# Signature:

[DllImport("coredll.dll")]
static extern bool GetSystemPowerStatusEx(SYSTEM_POWER_STATUS_EX pStatus,
   bool fUpdate);

VB .NET Signature:

Declare Function GetSystemPowerStatusEx Lib "coredll.dll" _
   (<Out()> ByRef pStatus As SYSTEM_POWER_STATUS_EX, _
   ByVal fUpdate As Boolean) As Boolean

User-Defined Types:

SYSTEM_POWER_STATUS_EX

Notes:

pStatus must be a valid object as values will be passed back in this structure. As pStatus itself is not changed do not use the ref/out keywords in C#.

Tips & Tricks:

Please add some!

Sample Code:

    public static byte GetBatteryLeftPercentage()
    {
        SYSTEM_POWER_STATUS_EX powerStatus = new SYSTEM_POWER_STATUS_EX();

        GetSystemPowerStatusEx(powerStatus, true);
        return powerStatus.BackupBatteryLifePercent;
    }

Alternative Managed API:

TODO

Documentation

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