History: DetectAC
Source of version: 3 (current)
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{maketoc}
!!!!Why detect AC power status?
Laptops are becoming more and more popular. One advantage is that they can be used without power supply with the help of a battery. Unfortunately when a laptop is not connected to a power supply the performace will be degraded (sometimes considerably). It can be useful to detect this and show a message to the user explaining why the application might not perform very well.
This code snippet shows how the "detecting part" can be done using the Windows API.
!!!!Code snippet
{CODE(wrap="1", colors="c++")} bool
Utils::GetBatteryCharging()
{
SYSTEM_POWER_STATUS _status;
GetSystemPowerStatus(&_status);
if(_status.ACLineStatus == 0)
{
return false;
} else {
return true;
}
}
{CODE}
Dont forget to include windows headers also for this to work:
{CODE(wrap="1", colors="c++")} #include "windows.h"
{CODE}
--((User:Borundin|Borundin)) 20:26, 4 July 2008 (BST)