public void StartLogFile(string fn)
{
// Initialize data queue
dataQueue = new BlockingCollection<DataLog>(new ConcurrentQueue<DataLog>());
// Initialze JSON file
fileName = fn;
using (FileStream fs = File.Open(fn, FileMode.Create))
{
// initialize count
serializedCount = 0;
using (StreamWriter sw = new StreamWriter(fs))
{
sw.Write("[");
}
}
}