public static Action <object, FrameworkElement> CreateViewModelSetupCallback(DialogAssemblyViewProvider dialogAssemblyViewProvider, params IViewProvider[] viewProviders)
 {
     //return (viewModel, view) => SetupViewModel(viewModel, view, dialogAssemblyViewProvider, viewProviders);
     return((viewModel, view) => {});
 }
 /// <inheritdoc />
 public DialogManagerMock(Action callback, DialogAssemblyViewProvider dialogAssemblyViewProvider, params IViewProvider[] viewProviders) : base(dialogAssemblyViewProvider, viewProviders)
 {
     _callback = callback;
 }