public static void ShowSingleWindow() { if (_window == null) { _window = new NewInvoiceWindow(); _window.Owner = App.Current.MainWindow; _window.Show(); } else { _window.Activate(); } }
public static void ShowSingleWindow() { if (Window == null) { Window = new NewInvoiceWindow { Owner = Application.Current.MainWindow }; Window.Show(); } else { Window.Activate(); } }