static extern bool DevicePowerEnumDevices(uint queryIndex, QueryInterpretationFlags queryInterpretationFlags, QueryFlags queryFlags, IntPtr pReturnBuffer, ref uint pBufferSize);

QueryInterpretationFlags, QueryFlags

            (result = DevicePowerEnumDevices(index, QueryInterpretationFlags.DEVICEPOWER_FILTER_DEVICES_PRESENT, QueryFlags.PDCAP_D2_SUPPORTED, ptrBuffer, ref size)) != false)

    private enum QueryInterpretationFlags : uint

Declare Function QueryInterpretationFlags Lib "powrprof.dll" (TODO) As TODO