问BackgroundWorker示例

EN

public partial class MainWindow : Window
{
    //defining the backgroundworker
    private BackgroundWorker bgworker = new BackgroundWorker();

    public MainWindow()
    {
        InitializeComponent();
        initializeBackgroundWorker();
    }

    private void initializeBackgroundWorker()
    {
        bgworker.DoWork += MyBackgroundWorker_DoWork;
    }

    private void MyBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
    {
        //method you want to execute in the backgroundWorker
        MyMethod();
    }

    private void Mouse_Enter(object sender, MouseEventArgs e)
    {
        //call the backgroundWorker and execute it
        //This will execute the method simultaneouly with other methods 
        //without blocking the UI 

        bgworker.RunWorkerAsync();
    }

    private void MyMethod()
    {
        //your method's code
    }

}

public class MakeInactiveUsersPassiveWorker : PeriodicBackgroundWorkerBase, ISingletonDependency
{
    private readonly IRepository<User, long> _userRepository;

    public MakeInactiveUsersPassiveWorker(AbpTimer timer, IRepository<User, long> userRepository)
        : base(timer)
    {
        _userRepository = userRepository;
        Timer.Period = 5000; //5 seconds (good for tests, but normally will be more)
    }

    [UnitOfWork]
    protected override void DoWork()
    {
        using (CurrentUnitOfWork.DisableFilter(AbpDataFilters.MayHaveTenant))
        {
            var oneMonthAgo = Clock.Now.Subtract(TimeSpan.FromDays(30));

            var inactiveUsers = _userRepository.GetAllList(u =>
                u.IsActive &&
                ((u.LastLoginTime < oneMonthAgo && u.LastLoginTime != null) || (u.CreationTime < oneMonthAgo && u.LastLoginTime == null))
                );

            foreach (var inactiveUser in inactiveUsers)
            {
                inactiveUser.IsActive = false;
                Logger.Info(inactiveUser + " made passive since he/she did not login in last 30 days.");
            }

            CurrentUnitOfWork.SaveChanges();
        }
    }
}