public MainWindow()
{
InitializeComponent();
mainPresenter = new MainPresenter(this);
this.Loaded += delegate { mainPresenter.Load(); };
lvCompany.SelectionChanged += delegate { mainPresenter.SelectCompany(); };
lvEmployee.SelectionChanged += delegate { mainPresenter.SelectEmployee(); };
btnAllEmployee.Click += delegate { mainPresenter.SelectAll(); };
btnAddCompany.Click += delegate { mainPresenter.AddCompany(); };
btnSettingsCompany.Click += delegate { mainPresenter.SettingsCompany(); };
btnRemoveCompany.Click += delegate { mainPresenter.RemoveCompany(); };
btnAddEmployee.Click += delegate { mainPresenter.AddEmployee(); };
btnSettingsEmployee.Click += delegate { mainPresenter.SettingsEmployee(); };
btnRemoveEmployee.Click += delegate { mainPresenter.RemoveEmployee(); };
}