public void OnAboutMenuCommand(MainWindow window)
{
var childWindow = new Window();
childWindow.Content = new AboutView();
childWindow.Owner = window;
childWindow.WindowStartupLocation = WindowStartupLocation.CenterScreen;
childWindow.ResizeMode = ResizeMode.NoResize;
childWindow.MaxHeight = 300;
childWindow.MaxWidth = 500;
childWindow.ShowDialog();
}
public void OnExitMenuCommand(MainWindow window)
{
window.Close();
}