使用C＃在Windows中访问受密码保护的网络驱动器？

这是我修改代码的方式：using System;using System.Runtime.InteropServices;/// <summary>/// Implements P/Invoke Interop calls to the operating system./// </summary>internal static class NativeMethods{    /// <summary>    /// The type of logon operation to perform.    /// </summary>    internal enum LogonType : int    {        /// <summary>        /// This logon type is intended for users who will be interactively        /// using the computer, such as a user being logged on by a        /// terminal server, remote shell, or similar process.        /// This logon type has the additional expense of caching logon        /// information for disconnected operations; therefore, it is        /// inappropriate for some client/server applications, such as a        /// mail server.        /// </summary>        Interactive = 2,        /// <summary>        /// This logon type is intended for high performance servers to        /// authenticate plaintext passwords.        /// The LogonUser function does not cache credentials for this        /// logon type.        /// </summary>        Network = 3,        /// <summary>        /// This logon type is intended for batch servers, where processes        /// may be executing on behalf of a user without their direct        /// intervention.  This type is also for higher performance servers        /// that process many plaintext authentication attempts at a time,        /// such as mail or Web servers.        /// The LogonUser function does not cache credentials for this        /// logon type.        /// </summary>        Batch = 4,        /// <summary>        /// Indicates a service-type logon.  The account provided must have        /// the service privilege enabled.        /// </summary>        Service = 5,        /// <summary>        /// This logon type is for GINA DLLs that log on users who will be        /// interactively using the computer.        /// This logon type can generate a unique audit record that shows        /// when the workstation was unlocked.        /// </summary>        Unlock = 7,        /// <summary>        /// This logon type preserves the name and password in the        /// authentication package, which allows the server to make        /// connections to other network servers while impersonating the        /// client.  A server can accept plaintext credentials from a        /// client, call LogonUser, verify that the user can access the        /// system across the network, and still communicate with other        /// servers.        /// NOTE: Windows NT:  This value is not supported.        /// </summary>        NetworkCleartext = 8,        /// <summary>        /// This logon type allows the caller to clone its current token        /// and specify new credentials for outbound connections.  The new        /// logon session has the same local identifier but uses different        /// credentials for other network connections.        /// NOTE: This logon type is supported only by the        /// LOGON32_PROVIDER_WINNT50 logon provider.        /// NOTE: Windows NT:  This value is not supported.        /// </summary>        NewCredentials = 9    }    /// <summary>    /// Specifies the logon provider.    /// </summary>    internal enum LogonProvider : int    {        /// <summary>        /// Use the standard logon provider for the system.        /// The default security provider is negotiate, unless you pass        /// NULL for the domain name and the user name is not in UPN format.        /// In this case, the default provider is NTLM.        /// NOTE: Windows 2000/NT:   The default security provider is NTLM.        /// </summary>        Default = 0,        /// <summary>        /// Use this provider if you'll be authenticating against a Windows        /// NT 3.51 domain controller (uses the NT 3.51 logon provider).        /// </summary>        WinNT35 = 1,        /// <summary>        /// Use the NTLM logon provider.        /// </summary>        WinNT40 = 2,        /// <summary>        /// Use the negotiate logon provider.        /// </summary>        WinNT50 = 3    }    /// <summary>    /// The type of logon operation to perform.    /// </summary>    internal enum SecurityImpersonationLevel : int    {        /// <summary>        /// The server process cannot obtain identification information        /// about the client, and it cannot impersonate the client.  It is        /// defined with no value given, and thus, by ANSI C rules,        /// defaults to a value of zero.        /// </summary>        Anonymous = 0,        /// <summary>        /// The server process can obtain information about the client,        /// such as security identifiers and privileges, but it cannot        /// impersonate the client.  This is useful for servers that export        /// their own objects, for example, database products that export        /// tables and views.  Using the retrieved client-security        /// information, the server can make access-validation decisions        /// without being able to use other services that are using the        /// client's security context.        /// </summary>        Identification = 1,        /// <summary>        /// The server process can impersonate the client's security        /// context on its local system.  The server cannot impersonate the        /// client on remote systems.        /// </summary>        Impersonation = 2,        /// <summary>        /// The server process can impersonate the client's security        /// context on remote systems.        /// NOTE: Windows NT:  This impersonation level is not supported.        /// </summary>        Delegation = 3    }    /// <summary>    /// Logs on the user.    /// </summary>    /// <param name="userName">Name of the user.</param>    /// <param name="domain">The domain.</param>    /// <param name="password">The password.</param>    /// <param name="logonType">Type of the logon.</param>    /// <param name="logonProvider">The logon provider.</param>    /// <param name="token">The token.</param>    /// <returns>True if the function succeeds, false if the function fails.    /// To get extended error information, call GetLastError.</returns>    [DllImport("advapi32.dll", CharSet = CharSet.Unicode, SetLastError = true)]    [return: MarshalAs(UnmanagedType.Bool)]    internal static extern bool LogonUser(        string userName,        string domain,        string password,        LogonType logonType,        LogonProvider logonProvider,        out IntPtr token);    /// <summary>    /// Duplicates the token.    /// </summary>    /// <param name="existingTokenHandle">The existing token    /// handle.</param>    /// <param name="securityImpersonationLevel">The security impersonation    /// level.</param>    /// <param name="duplicateTokenHandle">The duplicate token    /// handle.</param>    /// <returns>True if the function succeeds, false if the function fails.    /// To get extended error information, call GetLastError.</returns>    [DllImport("advapi32.dll", CharSet = CharSet.Unicode, SetLastError = true)]    [return: MarshalAs(UnmanagedType.Bool)]    internal static extern bool DuplicateToken(        IntPtr existingTokenHandle,        SecurityImpersonationLevel securityImpersonationLevel,        out IntPtr duplicateTokenHandle);    /// <summary>    /// Closes the handle.    /// </summary>    /// <param name="handle">The handle.</param>    /// <returns>True if the function succeeds, false if the function fails.    /// To get extended error information, call GetLastError.</returns>    [DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]    [return: MarshalAs(UnmanagedType.Bool)]    internal static extern bool CloseHandle(IntPtr handle);}其次是    IntPtr token;    if (!NativeMethods.LogonUser(        this.userName,        this.domain,        this.password,        NativeMethods.LogonType.NewCredentials,        NativeMethods.LogonProvider.Default,        out token))    {        throw new Win32Exception();    }    try    {        IntPtr tokenDuplicate;        if (!NativeMethods.DuplicateToken(            token,            NativeMethods.SecurityImpersonationLevel.Impersonation,            out tokenDuplicate))        {            throw new Win32Exception();        }        try        {            using (WindowsImpersonationContext impersonationContext =                new WindowsIdentity(tokenDuplicate).Impersonate())            {                // Do stuff with your share here.                impersonationContext.Undo();                return;            }        }        finally        {            if (tokenDuplicate != IntPtr.Zero)            {                if (!NativeMethods.CloseHandle(tokenDuplicate))                {                    // Uncomment if you need to know this case.                    ////throw new Win32Exception();                }            }        }    }    finally    {        if (token != IntPtr.Zero)        {            if (!NativeMethods.CloseHandle(token))            {                // Uncomment if you need to know this case.                ////throw new Win32Exception();            }        }    }

使用C＃在Windows中访问受密码保护的网络驱动器？

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