类中类的用法
............\School
............\......\bin
............\......\...\Debug
............\......\...\.....\IrisSkin2.dll
............\......\...\.....\MSN.ssk
............\......\...\.....\School.exe
............\......\...\.....\School.pdb
............\......\...\.....\School.vshost.exe
............\......\ClassInfo.cs
............\......\Form1.cs
............\......\Form1.Designer.cs
............\......\Form1.resx
............\......\obj
............\......\...\Debug
............\......\...\.....\Refactor
............\......\...\.....\ResolveAssemblyReference.cache
............\......\...\.....\School.csproj.GenerateResource.Cache
............\......\...\.....\School.exe
............\......\...\.....\School.Form1.resources
............\......\...\.....\School.pdb
............\......\...\.....\School.Properties.Resources.resources
............\......\...\.....\TempPE
............\......\...\School.csproj.FileList.txt
............\......\Program.cs
............\......\Properties
............\......\..........\AssemblyInfo.cs
............\......\..........\Resources.Designer.cs
............\......\..........\Resources.resx
............\......\..........\Settings.Designer.cs
............\......\..........\Settings.settings
............\......\School.csproj
............\......\School.csproj.user
............\......\schoolInfo.cs
............\......\Student.cs
............\类中类及集合的用法.sln