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C#兑现网络共享

日期：2014-05-18　浏览次数：20822 次

C#实现网络共享

<pre name="code" class="csharp">using System;
using System.Runtime.InteropServices;

namespace ConApp
{
    class RemoteShareDir
    {
        [DllImport("Netapi32.dll",CharSet=CharSet.Unicode)]
        private static extern uint NetShareAdd(
            [MarshalAs(UnmanagedType.LPWStr)] string strServer,
            Int32 dwLevel,
            ref SHARE_INFO_502 buf,
            out uint parm_err
        );

        [DllImport("Netapi32.dll",CharSet= CharSet.Unicode )]
        private static extern uint NetShareDel(string host, string shareName, int reserved);

        public RemoteShareDir()
        {

        }


        public uint SetShareDir(string host, string dir, string shareName, string shareDesc)
        {
            SHARE_INFO_502 info = new SHARE_INFO_502();
            info.shi502_netname = shareName;
            info.shi502_type = SHARE_TYPE.STYPE_DISKTREE;
            info.shi502_remark = shareDesc;
            info.shi502_permissions = 0;    // ignored for user-level security
            info.shi502_max_uses = -1;
            info.shi502_current_uses = 0;    // ignored for set
            info.shi502_path = dir;
            info.shi502_passwd = null;        // ignored for user-level security
            info.shi502_reserved = 0;
            info.shi502_security_descriptor = IntPtr.Zero;
            uint error = 0;
            return NetShareAdd(host, 502, ref info, out error);
        }

        public uint DeleteShareDir(string host, string shareName)
        {
            return NetShareDel(host, shareName, 0);
        }

        private enum NetError : uint
        {
            NERR_Success = 0,
            NERR_BASE = 2100,
            NERR_UnknownDevDir = (NERR_BASE + 16),
            NERR_DuplicateShare = (NERR_BASE + 18),
            NERR_BufTooSmall = (NERR_BASE + 23),
        }

        private enum SHARE_TYPE : uint
        {
            STYPE_DISKTREE = 0,
            STYPE_PRINTQ = 1,
            STYPE_DEVICE = 2,
            STYPE_IPC = 3,
            STYPE_TEMPORARY = 0x40000000,
            STYPE_SPECIAL = 0x80000000,
        }

        [StructLayout(LayoutKind.Sequential)]
        private struct SHARE_INFO_502
        {
            [MarshalAs(UnmanagedType.LPWStr)]
            public string shi502_netname;
            public SHARE_TYPE shi502_type;
            [MarshalAs(UnmanagedType.LPWStr)]
            public string shi502_remark;
            public Int32 shi502_permissions;
            public Int32 shi502_max_uses;
            public Int32 shi502_current_uses;
            [MarshalAs(UnmanagedType.LPWStr)]
            public string shi502_path;
            [MarshalAs(UnmanagedType.LPWStr)]
            public string shi502_passwd;
            public Int32 shi502_reserved;
            public IntPtr shi502_security_descriptor;
        }
    }
}

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