4天玩转wp7的第一天作业

using System.Windows;
using Microsoft.Phone.Controls;

namespace WindowsPhoneApplication1
{
    public partial class MainPage : PhoneApplicationPage
    {
        // Constructor
        public MainPage()
        {
            InitializeComponent();
        }

        private void MyButton_Click(object sender, RoutedEventArgs e)
        {
            if (textBox1.Text == "12 34")
            {
                textBlock1.Text = "您将会安全的再过180天了";
            }
            else
            {
                textBlock1.Text = "地球要爆炸了";
            }
        }

        private void textBox1_GotFocus(object sender, RoutedEventArgs e)
        {
            textBox1.Text = "";   //当textBox获取焦点时清除其中的提示文本内容
        }

      
    }
}