private static extern uint CallNtPowerInformation(
PowerIinformationLevel InformationLevel,
IntPtr lpInputBuffer,
int nInputBufferSize,
IntPtr result,
int nOutputBufferSize
);
private static T Wrapper <T>(PowerIinformationLevel informationLevel)
{
int size = Marshal.SizeOf <T>();
IntPtr typePtr = Marshal.AllocCoTaskMem(size);
uint status = CallNtPowerInformation(informationLevel, IntPtr.Zero, 0, typePtr, size);
if (status != STATUS_SUCCESS)
{
return(default(T));
}
return(Marshal.PtrToStructure <T>(typePtr));
}
