C#网络应用编程第三版马骏主编上机练习A4_WCF和HTTP文件传输练习

在同一个解决方案中，分别编写服务端程序和客户端程序，利用HTTP和流传输实现下载功能，具体要求如下：（1）服务端程序选择【WCF应用程序】模板，客户端程序选择【WPF应用程序】模板（2）客户端运行时，先通过WCF服务获取可供下载的文件名文件长度并将其显示出来，当用户选择要下载的列表项后，单击【开始下载】按钮实现下载功能。

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace FileDownload
{
    /// 

    /// App.xaml 的交互逻辑
    /// 

    public partial class App : Application
    {
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-11-13 21:07  FileDownload\
     目录           0  2015-11-09 12:56  FileDownloadServer\
     目录           0  2015-11-09 22:46  FileDownloadServer\FileDownloadServer\
     文件        1023  2015-11-09 12:56  FileDownloadServer\FileDownloadServer.sln
     文件       49664  2015-11-13 21:13  FileDownloadServer\FileDownloadServer.v12.suo
     目录           0  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\App_Data\
     目录           0  2015-11-09 17:29  FileDownloadServer\FileDownloadServer\bin\
     文件        5632  2015-11-13 21:09  FileDownloadServer\FileDownloadServer\bin\FileDownloadServer.dll
     文件        1977  2015-11-09 22:46  FileDownloadServer\FileDownloadServer\bin\FileDownloadServer.dll.config
     文件       13824  2015-11-13 21:09  FileDownloadServer\FileDownloadServer\bin\FileDownloadServer.pdb
     文件        5258  2015-11-09 17:30  FileDownloadServer\FileDownloadServer\FileDownloadServer.csproj
     文件        1086  2015-11-09 17:30  FileDownloadServer\FileDownloadServer\FileDownloadServer.csproj.user
     文件         661  2015-11-09 22:05  FileDownloadServer\FileDownloadServer\IService1.cs
     目录           0  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\obj\
     目录           0  2015-11-13 21:09  FileDownloadServer\FileDownloadServer\obj\Debug\
     文件        8183  2015-11-09 21:25  FileDownloadServer\FileDownloadServer\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         670  2015-11-09 21:43  FileDownloadServer\FileDownloadServer\obj\Debug\FileDownloadServer.csproj.FileListAbsolute.txt
     文件        3459  2015-11-09 21:43  FileDownloadServer\FileDownloadServer\obj\Debug\FileDownloadServer.csprojResolveAssemblyReference.cache
     文件        5632  2015-11-13 21:09  FileDownloadServer\FileDownloadServer\obj\Debug\FileDownloadServer.dll
     文件       13824  2015-11-13 21:09  FileDownloadServer\FileDownloadServer\obj\Debug\FileDownloadServer.pdb
     文件           0  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
     文件           0  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
     文件           0  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
     目录           0  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\obj\Debug\TempPE\
     目录           0  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\Properties\
     文件        1351  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\Properties\AssemblyInfo.cs
     文件         115  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\Service1.svc
     文件        1512  2015-11-09 22:40  FileDownloadServer\FileDownloadServer\Service1.svc.cs
     文件        1977  2015-11-09 22:46  FileDownloadServer\FileDownloadServer\Web.config
     文件        1245  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\Web.Debug.config
     文件        1306  2015-11-09 12:56  FileDownloadServer\FileDownloadServer\Web.Release.config
............此处省略63个文件信息