110,533
社区成员
发帖
与我相关
我的任务
分享
namespace WpfApplication1.VM
{
class MainWindow
{
Random rd = new Random();
private System.Collections.ObjectModel.ObservableCollection<Person> _persons;
public System.Collections.ObjectModel.ObservableCollection<Person> Persons
{
get { return _persons; }
}
private DelegateCommand _refresh;
public DelegateCommand Refresh
{
get { return _refresh; }
}
public MainWindow()
{
_persons = new System.Collections.ObjectModel.ObservableCollection<Person>();
_refresh = new DelegateCommand();
_refresh.Func = o => true;
_refresh.ExecuteCommand = o =>
{
System.Threading.Tasks.Task.Factory.StartNew(() =>
{
System.Threading.Thread.Sleep(5000);
var p = new Person(string.Empty) { Name = "testUser" };
p.TrackId = rd.Next(-5, 5) > 0 ? "hello" : string.Empty;
_persons.Add(p);
});
};
}
}
Dispatcher.Invoke(new Action(()=>{ _persons.Add(p); }));