public void StartAutoExportTxt()
{
tokenSource = new CancellationTokenSource();
Console.WriteLine("StartAutoExportTxt");
IQueryable <GroundTruth> groundtruths = null;
_ExportTask = Task.Factory.StartNew(() =>
{
var GVContext = Startup.CreateDBContext();
while (true)
{
groundtruths = GVContext.GroundTruths.OrderBy(item => item.ip);
foreach (GroundTruth groundtruth in groundtruths)
{
DeviceCache dv = GetDevice(groundtruth.ip);
dv.ProcessOnce();
}
Thread.Sleep(30000);
if (tokenSource.IsCancellationRequested == true)
{
Console.WriteLine("Task {0} was cancelled before it got started.",
tokenSource);
tokenSource.Token.ThrowIfCancellationRequested();
}
}
});
}