/// <summary> /// Adds a new subtask to the collection. /// </summary> private async Task AddSubtask() { // New Subtask SubtaskViewModel subtask = new SubtaskViewModel() { Name = this.NewSubtaskName }; // Subscribe to property changed event for new subtask subtask.PropertyChanged += SubtaskViewModel_PropertyChanged; // Add subtask to database await _repo.AddSubtask(subtask, this.Id).ContinueWith(async p => { subtask.Id = await p; subtask.TodoTaskId = this.Id; }); // Add item to view Subtasks.Add(subtask); subtask.IsCompleted = false; // Reset new subtask NewSubtaskName = null; NewSubtaskAdded = true; NewSubtaskAdded = false; }