<Window x:Class="Demo4.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        xmlns:local="clr-namespace:Demo4"

        Title="{x:Static local:MainWindow.TitleTest}" Height="500" Width="525">

    <!--窗体级别资源-->

    <Window.Resources>

        <Style x:Key="{x:Type Label}" TargetType="{x:Type Label}">

            <Setter Property="FontStyle" Value="Italic"/>

            <Setter Property="Foreground" Value="Red"/>

            <Setter Property="FontSize" Value="36"/>

        </Style>

    </Window.Resources>

    <Grid ShowGridLines="True" UseLayoutRounding="True">

        <!--定义行数-->

        <Grid.RowDefinitions>

            <RowDefinition Height="3*"/>

            <RowDefinition Height="*"/>

            <RowDefinition Height="30"/>

        </Grid.RowDefinitions>

        <!--定义列数-->

        <Grid.ColumnDefinitions>

            <ColumnDefinition/>

            <ColumnDefinition/>

            <ColumnDefinition/>

        </Grid.ColumnDefinitions>

        <StackPanel>

            <Label Content="{x:Static local:MainWindow.ageTest}" />

            <!--样式取值原则-就近原则-->

            <Label  Content="{x:Static local:MainWindow.nameTest}" FontSize="16"/>

            <Border BorderBrush="#FFE35A76" BorderThickness="10" Height="100" Name="border1" Width="200" Background="#FFEFE5E5" CornerRadius="10" DataContext="{Binding}" >

                <Label  Content="{x:Static local:MainWindow.ageTest}" />

            </Border>

            <UniformGrid >

                <Button Content="Window1" Click="Button_Click"/>

                <Button Content="b"/>

                <Button Content="c"/>

                <Button Content="d"/>

            </UniformGrid>

        </StackPanel>

        <StatusBar  Name="statusBar1" Grid.Row="2" Grid.ColumnSpan="3">

            <StatusBarItem Content="Status Bar"/>

        </StatusBar>

    </Grid>

</Window>

using System.Windows;

namespace Demo4

{

    /// <summary>

    /// MainWindow.xaml 的交互逻辑

    /// </summary>

    public partial class MainWindow : Window

    {

        public static string nameTest = "name:kunkun";

        public static string ageTest = "age:27";

        public static string TitleTest = "Static用法学习";

        public MainWindow()

        {

            InitializeComponent();

        }

        private void Button_Click(object sender, RoutedEventArgs e)

        {

            Window1 w = new Window1();

            w.Topmost = true;

            w.ShowDialog();

        }

    }

}

<Window x:Class="Demo4.Window1"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="Window1" Height="300" Width="300">

    <Grid>

        <DockPanel LastChildFill="True">

            <Button DockPanel.Dock="Top" Content="Top"/>

            <Button DockPanel.Dock="Bottom" Content="Bottom"/>

            <Button DockPanel.Dock="Left" Content="Left"/>

            <Button DockPanel.Dock="Right" Content="Right"/>

            <Button  Content="Middle"/>

        </DockPanel>

    </Grid>

</Window>