public MainViewModel(ApplicationViewModel applicationViewModel)
{
ApplicationViewModel = applicationViewModel;
applicationViewModel.MinHeight = 500;
applicationViewModel.MinWidth = 700;
WindowFactory = MainWindowFactory.GetFactory();
ControlViewModels.AddRange(WindowFactory.GetPages());
SelectedControlViewModel = ControlViewModels[0];
ModelResourcesManager.GetInstance().CurrencyConverter.Attach(this);
}