StopLog

double* LogData = NULL;

KsLogChannel Channels[3] =
{
    {KsLogSource::logAxis, 0, KsLogVariable::logActualPosition, 0, KsLogDataType::logDouble},
    {KsLogSource::logAxis, 0, KsLogVariable::logActualVelocity, 0, KsLogDataType::logDouble},
    {KsLogSource::logAxis, 0, KsLogVariable::logFollowingError, 0, KsLogDataType::logDouble}
};

// Stop current log
KsCommandStatus cmdStopLog = WaitForCommand(1, TRUE, StopLog());
if (!cmdStopLog.Error)
{
    // Log for 10 seconds
    KsCommandStatus cmdLog = Log(3, Channels, 0, 0, KsLogTriggerType::logImmediately, 10);
    cmdLog = WaitForCommand(11, TRUE, cmdLog);
    if (cmdLog.Done)
    {
        // Open log space
        HANDLE hLogMem = RtOpenSharedMemory(SHM_MAP_READ, FALSE, L"KSLogSpace", (void**)&LogData);
        double* data = (double*)malloc(sizeof(double) * 3 * (cmdLog.ValueLength));
        memcpy((void*)data, (void*)LogData, sizeof(double) * 3 * (cmdLog.ValueLength));
        RtCloseHandle(hLogMem); // Close log space

        // Access to log data

        free(data);
    }
}