private async void button1_Click(object sender, EventArgs e)
{
progressBarSample = new ProgressBarSample();
progressBarSample.ProgressChanged += OnProgressChanged;
cancellationTokenSource = new System.Threading.CancellationTokenSource();
var token = cancellationTokenSource.Token;
string message = "";
bool isError = false;
try
{
var task = await Task <bool> .Factory.StartNew(() => progressBarSample.Work(token), token);
//await task;
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
isError = true;
message = $"Произошла ошибка {ex.Message}";
}
if (!isError)
{
message = true ? "Процесс отменет" : "Процесс завершен";
}
MessageBox.Show(message);
}
private void button1_Click(object sender, EventArgs e)
{
_progressBarSample = new ProgressBarSample();
_progressBarSample.ProgressChanged += OnProgressChanged;
_progressBarSample.WorkCompleted += OnWorkCompleted;
var thread = new Thread(() => _progressBarSample.Work(synchronizationContext));
thread.Start();
button1.Enabled = false;
}
private void button1_Click(object sender, EventArgs e)
{
progressBarSample = new ProgressBarSample();
progressBarSample.ProgressChanged += OnProgressChanged;
button1.Enabled = false;
// Dowork method executed in new thread, but work completed will start in main thread (ui-thread)
System.Threading.Tasks.Task.Factory
.StartNew(() => progressBarSample.DoWork())
.ContinueWith((t, o) => WorkCompleted(t.Result), null, taskScheduler);
}
private async void button1_Click(object sender, EventArgs e)
{
button1.Enabled = false;
progressBarSample = new ProgressBarSample();
progressBarSample.ProgressChanged += OnProgressChanged;
//progressBarSample.WorkCompleted += OnWorkCompleted;
var cancelled = await Task <bool> .Factory.StartNew(() => progressBarSample.DoWork());
string message = cancelled ? "Work was cancelled" : "Work was done";
MessageBox.Show(message);
button1.Enabled = true;
}
