说明： 读取XML 案例 C#编写.供有需要者参考
(Read XML Case C# Prepared. For those who need a reference)
文件列表：
xml
...\xml
...\...\aaa.xml
...\...\bin
...\...\...\Debug
...\...\...\.....\aaa.xml
...\...\...\.....\xml.exe
...\...\...\.....\xml.pdb
...\...\...\.....\xml.vshost.exe
...\...\Form1.cs
...\...\Form1.Designer.cs
...\...\Form1.resx
...\...\obj
...\...\...\Debug
...\...\...\.....\TempPE
...\...\...\.....\xml.csproj.GenerateResource.Cache
...\...\...\.....\xml.exe
...\...\...\.....\xml.Form1.resources
...\...\...\.....\xml.pdb
...\...\...\.....\xml.Properties.Resources.resources
...\...\...\xml.csproj.FileList.txt
...\...\Program.cs
...\...\Properties
...\...\..........\AssemblyInfo.cs
...\...\..........\Resources.Designer.cs
...\...\..........\Resources.resx
...\...\..........\Settings.Designer.cs
...\...\..........\Settings.settings
...\...\xml.csproj
...\xml.sln
