【转】Wince FTP WinAPI 大放送解决方案

【转】Wince FTP WinAPI 大放送
http://bbs.csdn.net/topics/390460167

看到这么好的帖子，竟然是 WinCE 下 FTP 的实现，但却发在  .NET技术 > C# 区，相信部分 CE 的爱好者不一定能看到，所以转到 CE 的坛子。
多谢 zhouzhangkui 开源出来！

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;<br>
namespace SimpleFtp
{
    internal class WinAPI
    {
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
        public class WIN32_FIND_DATA
        {
            public UInt32 dwFileAttributes = 0;
            public FILETIME ftCreationTime;
            public FILETIME ftLastAccessTime;
            public FILETIME ftLastWriteTime;
            public UInt32 nFileSizeHigh = 0;
            public UInt32 nFileSizeLow = 0;
            public UInt32 dwReserved0 = 0;
            public UInt32 dwReserved1 = 0;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
            public string cFileName = null;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 14)]
            public string cAlternateFileName = null;
        };
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
        public class FILETIME
        {
            public int dwLowDateTime = 0;
            public int dwHighDateTime = 0;
        };<br>
        public const int INTERNET_FLAG_PASSIVE = 0x8000000; //被动模式
        public const int INTERNET_FLAG_PORT = 0x0;          //主动模式<br>
        public const uint INTERNET_FLAG_RELOAD = 0x80000000;         //
        public const uint INTERNET_FLAG_KEEP_CONNECTION = 0x400000;  //
        public const uint INTERNET_FLAG_MULTIPART = 0x200000;        //<br>
        public const int INTERNET_OPEN_TYPE_PRECONFIG = 0;
        public const int INTERNET_OPEN_TYPE_DIRECT = 1;
        public const int INTERNET_OPEN_TYPE_PROXY = 3;<br>
        public const int INTERNET_SERVICE_FTP = 1;
        public const int INTERNET_SERVICE_GOPHER = 2;
        public const int INTERNET_SERVICE_HTTP = 3;<br>
        public const uint FTP_TRANSFER_TYPE_ASCII = 0x1;
        public const uint FTP_TRANSFER_TYPE_BINARY = 0x2;<br>
        public const int FILE_ATTRIBUTE_READONLY = 0x1;
        public const int FILE_ATTRIBUTE_HIDDEN = 0x2;
        public const int FILE_ATTRIBUTE_SYSTEM = 0x4;
        public const int FILE_ATTRIBUTE_DIRECTORY = 0x10;
        public const int FILE_ATTRIBUTE_ARCHIVE = 0x20;
        public const int FILE_ATTRIBUTE_NORMAL = 0x80;
        public const int FILE_ATTRIBUTE_TEMPORARY = 0x100;
        public const int FILE_ATTRIBUTE_COMPRESSED = 0x800;
        // 连接和初始化
        [DllImport("kernel32.dll", CharSet = CharSet.Auto)]