MVVM 模版里的控件怎样触发命令

public class BaseWindow : Window
    {
        public BaseWindow()
        {
            InitializeStyle();

　　　　　　　　　　　　　　　　　　//给样式的控件加载事件
            this.Loaded += delegate
            {
                InitializeEvent();
            };
        }

        private void InitializeEvent()
        {
            ControlTemplate baseWindowTemplate = (ControlTemplate)App.Current.Resources["BaseWindowControlTemplate"];

            Button minBtn = (Button)baseWindowTemplate.FindName("btnMin", this);
            minBtn.Click += delegate
            {
                this.WindowState = WindowState.Minimized;
            };

            Button maxBtn = (Button)baseWindowTemplate.FindName("btnMax", this);
            maxBtn.Click += delegate
            {
                this.WindowState = (this.WindowState == WindowState.Normal ? WindowState.Maximized : WindowState.Normal);
            };

            Button closeBtn = (Button)baseWindowTemplate.FindName("btnClose", this);
            closeBtn.Click += delegate
            {
                this.Close();
            };

            Border borderTitle = (Border)baseWindowTemplate.FindName("borderTitle", this);
            borderTitle.MouseMove += delegate(object sender, MouseEventArgs e)
            {
                if (e.LeftButton == MouseButtonState.Pressed)
                {
                    this.DragMove();
                }
            };
            borderTitle.MouseLeftButtonDown += delegate(object sender, MouseButtonEventArgs e)
            {
                if (e.ClickCount >= 2)
                {
                    maxBtn.RaiseEvent(new RoutedEventArgs(Button.ClickEvent));
                }
            };
        }

      
        private void InitializeStyle()
        {
            this.Style = (Style) App.Current.Resources["BaseWindowStyle"];
        }
    }