public TaskItemWindow(TaskItemModel selectedItem)
 {
     InitializeComponent();
     DataContext = new TaskItemWindowViewModel(selectedItem);
     MessengerStatic.TaskItemWindowClosedInEditMode += CloseWin;
 }
 public TaskItemWindow()
 {
     InitializeComponent();
     DataContext = new TaskItemWindowViewModel();
     MessengerStatic.TaskItemWindowClosedInAddMode += CloseWin;
 }