private void Remove_TestTask(object sender, RoutedEventArgs e) { if (DataModel.IsRunning) { _ = MessageBox.Show("任务开始后无法修改。", "WARNING"); } else { DataModel.Tasks.Remove(TestTaskTree.SelectedItem as TestTask); if (DataModel.Tasks.Count == 0) { DataContext = null; DataModel = new MainWindowModel(); DataContext = DataModel; } } }
private void Close_MenuItem_Click(object sender, RoutedEventArgs e) { DataContext = null; DataModel = new MainWindowModel(); DataContext = DataModel; }