public void ManageBudget()
{
BudgetManager window = new BudgetManager();
BudgetManagerService service = new BudgetManagerService(window);
BudgetManagerViewModel vm = new BudgetManagerViewModel(service);
window.DataContext = vm;
window.Owner = mainWindow;
window.ShowDialog();
}
public BudgetManagerService(BudgetManager managerWindow)
{
this.parentWindow = managerWindow;
}