private static void AddParameterClicked(object sender, RoutedEventArgs e) { if (WPFDbContext.Instance.UnusedTaskVisibility == Visibility.Collapsed) { return; } if (WPFDbContext.Instance.SelectedUnusedParameter == null) { return; } ParameterBindingDao.Insert(WPFDbContext.Instance.SelectedUnusedTask.ID, WPFDbContext.Instance.SelectedCategory.ID, WPFDbContext.Instance.SelectedUnusedParameter.ID); WPFParameterNameDao.Update(); }