public NewTaskViewModel(ITaskRepository taskRepository)
{
this.taskRepository = taskRepository;
CreateTaskCommand = new DelegateCommand(CreateTask, () => !Saving);
CancelCommand = new DelegateCommand(()=>
{
Owner.DialogResult = false;
Owner.Close();
}, ()=>!Saving);
TodoItem = new TodoItem();
}
public Task Add(TodoItem todoItem)
{
return TaskEx.Delay(1500)
.ContinueWith(t => tasks.Add(currentId++, todoItem));
}