using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

//转自http://blog.csdn.net
namespace vjsdn_create_share
{
   /// <summary>
   /// 映射网络磁盘.易学网 www.vjsdn.com
   /// </summary>
   public class NetwareDriveAPI
   {
      #region Windows API enum and struct
      public enum ERROR_ID
      {
         ERROR_SUCCESS = 0, // Success
         ERROR_MORE_DATA = 234,
         ERROR_NO_BROWSER_SERVERS_FOUND = 6118,
         ERROR_INVALID_LEVEL = 124,
         ERROR_ACCESS_DENIED = 5,
         ERROR_INVALID_PARAMETER = 87,
         ERROR_NOT_ENOUGH_MEMORY = 8,
         ERROR_NETWORK_BUSY = 54,
         ERROR_BAD_NETPATH = 53,
         ERROR_NO_NETWORK = 1222,
         ERROR_INVALID_HANDLE_STATE = 1609,
         ERROR_EXTENDED_ERROR = 1208
      }
      
      public enum RESOURCE_SCOPE
      {
         RESOURCE_CONNECTED = 1,
         RESOURCE_GLOBALNET = 2,
         RESOURCE_REMEMBERED = 3,
         RESOURCE_RECENT = 4,
         RESOURCE_CONTEXT = 5
      }
      
      public enum RESOURCE_TYPE
      {
         RESOURCETYPE_ANY = 0,
         RESOURCETYPE_DISK = 1,
         RESOURCETYPE_PRINT = 2,
         RESOURCETYPE_RESERVED = 8,
      }
      
      public enum RESOURCE_USAGE
      {
         RESOURCEUSAGE_CONNECTABLE = 1,
         RESOURCEUSAGE_CONTAINER = 2,
         RESOURCEUSAGE_NOLOCALDEVICE = 4,
         RESOURCEUSAGE_SIBLING = 8,
         RESOURCEUSAGE_ATTACHED = 16,
         RESOURCEUSAGE_ALL = (RESOURCEUSAGE_CONNECTABLE | RESOURCEUSAGE_CONTAINER | RESOURCEUSAGE_ATTACHED),
      }
      
      public enum RESOURCE_DISPLAYTYPE
      {
         RESOURCEDISPLAYTYPE_GENERIC = 0,
         RESOURCEDISPLAYTYPE_DOMAIN = 1,
         RESOURCEDISPLAYTYPE_SERVER = 2,
         RESOURCEDISPLAYTYPE_SHARE = 3,
         RESOURCEDISPLAYTYPE_FILE = 4,
         RESOURCEDISPLAYTYPE_GROUP = 5,
         RESOURCEDISPLAYTYPE_NETWORK = 6,
         RESOURCEDISPLAYTYPE_ROOT = 7,
         RESOURCEDISPLAYTYPE_SHAREADMIN = 8,
         RESOURCEDISPLAYTYPE_DIRECTORY = 9,
         RESOURCEDISPLAYTYPE_TREE = 10,
         RESOURCEDISPLAYTYPE_NDSCONTAINER = 11
      }
      
      [StructLayout(LayoutKind.Sequential)]
      public struct NETRESOURCE
      {
         public RESOURCE_SCOPE dwScope;
         public RESOURCE_TYPE dwType;
         public RESOURCE_DISPLAYTYPE dwDisplayType;
         public RESOURCE_USAGE dwUsage;
         
         [MarshalAs(UnmanagedType.LPStr)]
         public string lpLocalName;
         
         [MarshalAs(UnmanagedType.LPStr)]
         public string lpRemoteName;
         
         [MarshalAs(UnmanagedType.LPStr)]
         public string lpComment;
         
         [MarshalAs(UnmanagedType.LPStr)]
         public string lpProvider;
      }
      
      #endregion
      
      [DllImport("mpr.dll")]
      public static extern int WNetAddConnection2A(NETRESOURCE[] lpNetResource, string lpPassword, string lpUserName, int dwFlags);
      
      [DllImport("mpr.dll")]
      public static extern int WNetCancelConnection2A(string sharename, int dwFlags, int fForce);
      
      //易学网 www.vjsdn.com
      /// <summary>
      /// 创建网络磁盘. 可指定对机器的访问用户名和密码
      /// </summary>
      /// <param name="remotePath">网络路径</param>
      /// <param name="localPath">本地磁盘名称.如:"X:"</param>
      /// <param name="username">用户名</param>
      /// <param name="password">密码</param>
      /// <returns></returns>
      public static int Connect(string remotePath, string localPath, string username, string password)
      {
         NETRESOURCE[] share_driver = new NETRESOURCE[1];
         share_driver[0].dwType = RESOURCE_TYPE.RESOURCETYPE_DISK;
         share_driver[0].lpLocalName = localPath;
         share_driver[0].lpRemoteName = remotePath;
         
         Disconnect(localPath);
         int ret = WNetAddConnection2A(share_driver, password, username, 1);
         
         return ret;
      }
      
      /// <summary>
      /// 断开网络磁盘
      /// </summary>
      /// <param name="localpath"></param>
      public static void Disconnect(string localpath)
      {
         WNetCancelConnection2A(localpath, 1, 1);
      }
      
   }
}

//易学网 www.vjsdn.com
private void button2_Click_1(object sender, EventArgs e)
{
   string localpath = "X:"; //本地磁盘名称
   
   //创建网络磁盘
   int status = NetwareDriveAPI.Connect(@"\\192.168.0.5\tmp", @"X:", @www.vjsdn.com, "vjsdn");
   
   //返回
   if (status == (int)vjsdn_create_share.NetwareDriveAPI.ERROR_ID.ERROR_SUCCESS)
   {
      //测试网络磁盘，写入一个文本文件
      FileStream fs = new FileStream(localpath + @"\\123.txt", FileMode.OpenOrCreate);
      using (StreamWriter stream = new StreamWriter(fs))
      {
         stream.WriteLine("测试网络磁盘成功!");
         stream.Flush();
         stream.Close();
      }
      fs.Close();
   }
   else
   {
      MessageBox.Show(status.ToString());
   }
   
   //删除网络磁盘
   NetwareDriveAPI.Disconnect(localpath);
}