public EditorDialog(PropertiesEditorViewModel ViewModel)
{
InitializeComponent();
Loaded += (Sender, Args) => DataContext = ViewModel;
ViewModel.Finished += ViewModelOnFinished;
}
public EditPropertiesRequestedEventArgs(String Title, PropertiesEditorViewModel EditorViewModel)
{
this.EditorViewModel = EditorViewModel;
this.Title = Title;
}