ch3文件与打印
.............\ch3_1
.............\ch3_10
.............\......\App.ico
.............\......\AssemblyInfo.cs
.............\......\bin
.............\......\...\Debug
.............\......\ch3_10.csproj
.............\......\ch3_10.csproj.user
.............\......\ch3_10.sln
.............\......\ch3_10.suo
.............\......\Form1.cs
.............\......\Form1.resx
.............\......\obj
.............\......\...\Debug
.............\ch3_11
.............\......\App.ico
.............\......\AssemblyInfo.cs
.............\......\bin
.............\......\...\Debug
.............\......\ch3_11.csproj
.............\......\ch3_11.csproj.user
.............\......\ch3_11.sln
.............\......\ch3_11.suo
.............\......\Form1.cs
.............\......\Form1.resx
.............\......\obj
.............\......\...\Debug
.............\.....\App.ico
.............\.....\AssemblyInfo.cs
.............\.....\bin
.............\.....\...\Debug
.............\.....\ch3_1.csproj
.............\.....\ch3_1.csproj.user
.............\.....\ch3_1.sln
.............\.....\ch3_1.suo
.............\.....\Form1.cs
.............\.....\Form1.resx
.............\.....\obj
.............\.....\...\Debug
.............\ch3_2
.............\.....\App.ico
.............\.....\AssemblyInfo.cs
.............\.....\bin
.............\.....\...\Debug
.............\.....\ch3_2.csproj
.............\.....\ch3_2.csproj.user
.............\.....\ch3_2.sln
.............\.....\ch3_2.suo
.............\.....\Form1.cs
.............\.....\Form1.resx
.............\.....\obj
.............\.....\...\Debug
.............\ch3_3
.............\.....\App.ico
.............\.....\AssemblyInfo.cs
.............\.....\bin
.............\.....\...\Debug
.............\.....\ch3_3.csproj
.............\.....\ch3_3.csproj.user
.............\.....\ch3_3.sln
.............\.....\ch3_3.suo
.............\.....\Form1.cs
.............\.....\Form1.resx
.............\.....\obj
.............\.....\...\Debug
.............\ch3_4
.............\.....\App.ico
.............\.....\AssemblyInfo.cs
.............\.....\bin
.............\.....\...\Debug
.............\.....\ch3_4.csproj
.............\.....\ch3_4.csproj.user
.............\.....\ch3_4.sln
.............\.....\ch3_4.suo
.............\.....\Form1.cs
.............\.....\Form1.resx
.............\.....\obj
.............\.....\...\Debug
.............\ch3_5
.............\.....\App.ico
.............\.....\AssemblyInfo.cs
.............\.....\bin
.............\.....\...\Debug
.............\.....\ch3_5.csproj
.............\.....\ch3_5.csproj.user
.............\.....\ch3_5.sln
.............\.....\ch3_5.suo
.............\.....\Form1.cs
.............\.....\Form1.resx
.............\.....\obj
.............\.....\...\Debug
.............\ch3_6
.............\.....\App.ico
.............\.....\AssemblyInfo.cs
.............\.....\bin
.............\.....\...\Debug
.............\.....\ch3_6.csproj
.............\.....\ch3_6.csproj.user
.............\.....\ch3_6.sln