private void Progress_Starting(ProgressTask progressTask)
{
// We're only looking for this specific task:
if (this.currentTask != null || progressTask.TaskKey != this.TaskKey)
{
return;
}
// Keep track of this task so we can poll it:
this.currentTask = progressTask;
progressTask.EnablePolling(this.MaximumDepth);
// Start polling for progress:
Timer.Start();
progressTask.SetCallbackEnded(this.OnProgressEnding);
}