private void StartSyncTasksExecuted(object obj)
        {
            var taskData = this.Data.SyncTasks;

            taskData.Clear();

            var stopwatch = Stopwatch.StartNew();

            for (var i = 0; i < ViewModel.NumberOfTasks; ++i)
            {
                var task = new LongExampleTask($"T-{i + 1}", 100 * (i + 1));
                taskData.Tasks.Add(task);
                task.Run();
                taskData.Progress = $"Finished {i + 1} of {ViewModel.NumberOfTasks} tasks";
                taskData.Time     = stopwatch.ElapsedMilliseconds;
            }
        }