Description: Polymorphism, C# programming exercises the source code, very good learning materials.
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duotai
duotai.sln
......\abstra.cs
......\bin
......\...\Debug
......\...\.....\duotai.exe
......\...\.....\duotai.pdb
......\...\.....\duotai.vshost.exe
......\...\.....\duotai.vshost.exe.manifest
......\duotai.csproj
......\obj
......\...\x86
......\...\...\Debug
......\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
......\...\...\.....\duotai.csproj.FileListAbsolute.txt
......\...\...\.....\duotai.exe
......\...\...\.....\duotai.pdb
......\...\...\.....\TempPE
......\Program.cs
......\Properties
......\..........\AssemblyInfo.cs
......\virtu.cs