<Window x:Class="WpfApplication1.Window5"

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

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

        xmlns:String="clr-namespace:System;assembly=mscorlib"

        Title="Window5" Height="331" Width="538">

    <StackPanel Height="184" Name="stackPanel1" Width="288">

        <StackPanel.Resources>

            <String:String x:Key="myString">

                Hello,Good Afternoon!

            </String:String>

        </StackPanel.Resources>

        <TextBlock Height="23" Name="textBlock1" Text="{Binding Path=.,Source={StaticResource ResourceKey=myString}}" />

    </StackPanel>

</Window>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Shapes;

namespace WpfApplication1

{

    /// <summary>

    /// Window5.xaml 的交互逻辑

    /// </summary>

    public partial class Window5 : Window

    {

        public Window5()

        {

            InitializeComponent();

            string myString = "Hello,Good Afternoon!";

            this.textBlock1.SetBinding(TextBlock.TextProperty, new Binding(".") { Source=myString});

        }

    }

}