MainWindow.xaml

<Window x:Class="TestTool.View.MainWindow"     

  ......       

        AllowsTransparency="True"
        WindowStartupLocation="CenterScreen"
        WindowStyle="None"
        AllowDrop="True" MouseLeftButtonDown="Window_MouseLeftButtonDown">

 ......

<Grid  Background="Blue" Grid.ColumnSpan="2">
            <TextBlock Text="Test Tool" FontWeight="Bold" FontSize="22" Foreground="#FFFFFF" VerticalAlignment="Center" HorizontalAlignment="Left" Margin="30,0,0,0"/>

            <UniformGrid Columns="3" Rows="1" HorizontalAlignment="Right" VerticalAlignment="Top" Width="100" Height="36" Margin="0,6,10,0">
                <Button x:Name="btn_minimize" Content="—" FontSize="24" Foreground="White" Width="32" Height="36" Background="Transparent" BorderThickness="0"  Click="btn_minimize_Click"/>
                <Button x:Name="btn_maximize" Content="□" FontSize="24" Foreground="White" Width="32" Height="36" Background="Transparent" BorderThickness="0"  Click="btn_maximize_Click"/>
                <Button x:Name="btn_close" Content="×" FontSize="26" Foreground="White" Width="32" Height="36" Background="Transparent" BorderThickness="0"  Click="btn_close_Click"/>
            </UniformGrid>
        </Grid>

MainWindow.xaml.cs

   private void Window_MouseLeftButtonDown(object sender,              System.Windows.Input.MouseButtonEventArgs e)
        {

            base.OnMouseLeftButtonDown(e);  
            //获取鼠标相对窗口的位置
            Point position = e.GetPosition(this);
            //鼠标放在窗口就移动
            if (e.LeftButton == MouseButtonState.Pressed)
            {
                if (position.X >= 0 && position.X < this.ActualWidth && position.Y >= 0 && position.Y <= this.ActualWidth)
                {
                    this.DragMove();
                }
            }
        }

        private void btn_minimize_Click(object sender, RoutedEventArgs e)
        {
            this.WindowState = WindowState.Minimized;
        }

        private void btn_maximize_Click(object sender, RoutedEventArgs e)
        {
            if (WindowState == WindowState.Maximized)
            {
                this.WindowState = WindowState.Normal;
            }
            else
            {
                this.WindowStyle = WindowStyle.None;
                this.ResizeMode = ResizeMode.NoResize;
                this.WindowState = WindowState.Maximized;
            }

        }

        private void btn_close_Click(object sender, RoutedEventArgs e)
        {           
            ViewModel.ViewModelLocator.CleanupMainViewModel();
            this.Close();
        }

ViewModelLocator.cs

        ......

        public static void CleanupMainViewModel()
        {
            Cleanup<MainViewModel>();
        }        

        private static void Cleanup<T>() where T : ViewModelBase
        {
            T viewModel = ServiceLocator.Current.GetInstance<T>();
            if (viewModel != null)
                viewModel.Cleanup();
            SimpleIoc.Default.Unregister<T>();
        }

05-26 03:00