private void backgroundSearchWorker_DoWork(object sender, DoWorkEventArgs e)
{
string searchStr = BuildSearchString();
cancelToken = new CancellationTokenSource();
ct = cancelToken.Token;
var task = Task.Factory.StartNew(() =>
{
ct.ThrowIfCancellationRequested();
string searchResult = SearchbyCommand(searchStr, ct);
}, cancelToken.Token);
try
{
log.WriteLine("Task waiting");
task.Wait(ct);
log.WriteLine("Task done");
}
catch (Exception)
{
if (ct.IsCancellationRequested)
{
log.WriteLine("Task canceled");
cancelToken.Cancel();
if (process != null && !process.HasExited)
{
log.WriteLine("Process canceled");
process.Kill();
}
}
}
}
void UpdateActivityMessage(string message)
{
log.WriteLine(message);
this.BeginInvoke(new Action(() =>
{
richtxtActivity.Text += message + "\n";
}));
}
private void LogLine(string message, params string[] args)
{
if (args.Length > 0)
{
message = String.Format(message, args);
}
log.WriteLine(message);
message = DateTime.Now + " " + message;
txtMsg.Text += message + Environment.NewLine;
}
