File list (Check if you may need any files):
Windows Store App Development
.............................\实验一:计算器
.............................\..............\MainPage.xaml.cs
.............................\实验三:搜索集成
.............................\................\MainPage.xaml.cs
.............................\实验二:数据绑定
.............................\................\MainPage.xaml.cs
.............................\................\Student.cs
.............................\实验四:Toast通知
.............................\.................\MainPage.xaml.cs