samples
.......\ch07
.......\....\CalculateSum
.......\....\............\CalculateSum
.......\....\............\............\bin
.......\....\............\............\...\Debug
.......\....\............\............\CalculateSum.csproj
.......\....\............\............\CalculateSum.csproj.user
.......\....\............\............\MainForm.cs
.......\....\............\............\MainForm.Designer.cs
.......\....\............\............\MainForm.resx
.......\....\............\............\obj
.......\....\............\............\...\Debug
.......\....\............\............\Program.cs
.......\....\............\............\Properties
.......\....\............\............\..........\AssemblyInfo.cs
.......\....\............\............\..........\Resources.Designer.cs
.......\....\............\............\..........\Resources.resx
.......\....\............\CalculateSum.sln
.......\....\............\CalculateSum.suo
.......\....\DataTransport
.......\....\.............\DataTransport
.......\....\.............\.............\bin
.......\....\.............\.............\...\Debug
.......\....\.............\.............\DataTransport.csproj
.......\....\.............\.............\DataTransport.csproj.user
.......\....\.............\.............\Form1.cs
.......\....\.............\.............\Form1.Designer.cs
.......\....\.............\.............\Form1.resx
.......\....\.............\.............\Form2.cs
.......\....\.............\.............\Form2.Designer.cs
.......\....\.............\.............\Form2.resx
.......\....\.............\.............\obj
.......\....\.............\.............\...\DataTransport.csproj.FileList.txt
.......\....\.............\.............\...\Debug
.......\....\.............\.............\Program.cs
.......\....\.............\.............\Properties
.......\....\.............\.............\..........\AssemblyInfo.cs
.......\....\.............\.............\..........\Resources.Designer.cs
.......\....\.............\.............\..........\Resources.resx
.......\....\.............\DataTransport.sln
.......\....\DealWithScreenOrientation
.......\....\.........................\DealWithScreenOrientation
.......\....\.........................\.........................\BookInfo.cs
.......\....\.........................\.........................\DealWithScreenOrientation.csproj
.......\....\.........................\.........................\DealWithScreenOrientation.csproj.user
.......\....\.........................\.........................\EditForm.cs
.......\....\.........................\.........................\EditForm.Designer.cs
.......\....\.........................\.........................\EditForm.resx
.......\....\.........................\.........................\MainForm.cs
.......\....\.........................\.........................\MainForm.Designer.cs
.......\....\.........................\.........................\MainForm.resx
.......\....\.........................\.........................\Program.cs
.......\....\.........................\.........................\Properties
.......\....\.........................\.........................\..........\AssemblyInfo.cs
.......\....\.........................\.........................\..........\Resources.Designer.cs
.......\....\.........................\.........................\..........\Resources.resx
.......\....\.........................\DealWithScreenOrientation.sln
.......\....\PlayingSound
.......\....\............\PlayingSound
.......\....\............\............\bin
.......\....\............\............\...\Debug
.......\....\............\............\chimes.wav
.......\....\............\............\MainForm.cs
.......\....\............\............\MainForm.Designer.cs
.......\....\............\............\MainForm.resx
.......\....\............\............\obj
.......\....\............\............\...\Debug
.......\....\............\............\PlayingSound.csproj
.......\....\............\............\PlayingSound.csproj.user
.......\....\............\............\Program.c