获取本机dns信息\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe
...............\........................\...\.....\WindowsFormsApplication2.pdb
...............\........................\...\.....\WindowsFormsApplication2.vshost.exe
...............\........................\...\.....\WindowsFormsApplication2.vshost.exe.manifest
...............\........................\Form1.cs
...............\........................\Form1.Designer.cs
...............\........................\Form1.resx
...............\........................\obj\Debug\WindowsFormsApplication2.csproj.FileListAbsolute.txt
...............\........................\...\.....\WindowsFormsApplication2.csproj.GenerateResource.Cache
...............\........................\...\.....\WindowsFormsApplication2.exe
...............\........................\...\.....\WindowsFormsApplication2.Form1.resources
...............\........................\...\.....\WindowsFormsApplication2.pdb
...............\........................\...\.....\WindowsFormsApplication2.Properties.Resources.resources
...............\........................\Program.cs
...............\........................\...perties\AssemblyInfo.cs
...............\........................\..........\Resources.Designer.cs
...............\........................\..........\Resources.resx
...............\........................\..........\Settings.Designer.cs
...............\........................\..........\Settings.settings
...............\........................\WindowsFormsApplication2.csproj
...............\WindowsFormsApplication2.sln
...............\WindowsFormsApplication2.suo
...............\........................\obj\Debug\Refactor
...............\........................\...\.....\TempPE
...............\........................\bin\Debug
...............\........................\obj\Debug
...............\........................\bin
...............\........................\obj
...............\........................\Properties
...............\WindowsFormsApplication2
获取本机dns信息