public static void Explain(this CancelTask runnable, TextWriter writer)
{
writer.WriteLine(@"
- Passing a token to a task does only impact the final state of the task
- Cancellation is a cooperative effort
");
}
public static async Task AsyncButton(object sender, ButtonTask mainTask, CancelTask cancelTaks, string waitText = WaitText)
{
if (sender is Button button)
{
if (button.Content is string prevText)
{
if (prevText == waitText)
{
cancelTaks();
return;
}
button.Content = waitText;
await mainTask();
button.Content = prevText;
}
}
}
private void Cancel(object sender, RoutedEventArgs e)
{
CancelTask?.Invoke(this, e);
this.DialogResult = false;
}
public void CancelChildTask(CancelTask msg)
{
SendTaskControlMessage(msg);
}
