如何查找网页中所有的超级链接
............................\GetAllHtmlLink
............................\..............\GetAllHtmlLink
............................\..............\..............\bin
............................\..............\..............\...\Debug
............................\..............\..............\Form1.cs
............................\..............\..............\Form1.Designer.cs
............................\..............\..............\Form1.resx
............................\..............\..............\GetAllHtmlLink.csproj
............................\..............\..............\obj
............................\..............\..............\...\Debug
............................\..............\..............\...\GetAllHtmlLink.csproj.FileList.txt
............................\..............\..............\Program.cs
............................\..............\..............\Properties
............................\..............\..............\..........\AssemblyInfo.cs
............................\..............\..............\..........\Resources.Designer.cs
............................\..............\..............\..........\Resources.resx
............................\..............\..............\..........\Settings.Designer.cs
............................\..............\..............\..........\Settings.settings
............................\..............\GetAllHtmlLink.sln
............................\..............\GetAllHtmlLink.suo