\" == netName)
{
shareType |= ShareType.IPC;
}

_server = server;
_netName = netName;
_path = path;
_shareType = shareType;
_remark = remark;
}

#endregion

#region Properties

/// <summary>
/// The name of the computer that this share belongs to
/// </summary>
public string Server
{
get { return _server; }
}

/// <summary>
/// Share name
/// </summary>
public string NetName
{
get { return _netName; }
}

/// <summary>
/// Local path
/// </summary>
public string Path
{
get { return _path; }
}

/// <summary>
/// Share type
/// </summary>
public ShareType ShareType
{
get { return _shareType; }
}

/// <summary>
/// Comment
/// </summary>
public string Remark
{
get { return _remark; }
}

/// <summary>
/// Returns true if this is a file system share
/// </summary>
public bool IsFileSystem
{
get
{
// Shared device
if (0 != (_shareType & ShareType.Device)) return false;
// IPC share
if (0 != (_shareType & ShareType.IPC)) return false;
// Shared printer
if (0 != (_shareType & ShareType.Printer)) return false;

// Standard disk share
if (0 == (_shareType & ShareType.Special)) return true;

// Special disk share (e.g. C

" == netName) { shareType |= ShareType.IPC; } _server = server; _netName = netName; _path = path; _shareType = shareType; _remark = remark; } #endregion #region Properties /// <summary> /// The name of the computer that this share belongs to /// </summary> public string Server { get { return _server; } } /// <summary> /// Share name /// </summary> public string NetName { get { return _netName; } } /// <summary> /// Local path /// </summary> public string Path { get { return _path; } } /// <summary> /// Share type /// </summary> public ShareType ShareType { get { return _shareType; } } /// <summary> /// Comment /// </summary> public string Remark { get { return _remark; } } /// <summary> /// Returns true if this is a file system share /// </summary> public bool IsFileSystem { get { // Shared device if (0 != (_shareType & ShareType.Device)) return false; // IPC share if (0 != (_shareType & ShareType.IPC)) return false; // Shared printer if (0 != (_shareType & ShareType.Printer)) return false; // Standard disk share if (0 == (_shareType & ShareType.Special)) return true; // Special disk share (e.g. C

)
if (ShareType.Special == _shareType && null != _netName && 0 != _netName.Length)
return true;
else
return false;
}
}

/// <summary>
/// Get the root of a disk-based share
/// </summary>
public DirectoryInfo Root
{
get
{
if (IsFileSystem)
{
if (null == _server || 0 == _server.Length)
if (null == _path || 0 == _path.Length)
return new DirectoryInfo(ToString());
else
return new DirectoryInfo(_path);
else
return new DirectoryInfo(ToString());
}
else
返回null;
}
}

#endregion

/// <summary>
/// Returns the path to this share
/// </summary>
/// <returns></returns>
public override string ToString()
{
if (null == _server || 0 == _server.Length)
{
return string.Format(@\"\\{0}\{1}\", Environment.MachineName, _netName);
}
else
return string.Format(@\"\\{0}\{1}\", _server, _netName);
}

/// <summary>
/// Returns true if this share matches the local path
/// </summary>
/// <param name=\"path\"></param>
/// <returns></retu rns>
public bool MatchesPath(string path)
{
if (!IsFileSystem) return false;
if (null == path || 0 == path.Length) return true;

return path.ToLower().StartsWith(_path.ToLower());
}
}

#endregion

#region Share Collection

/// <summary>
/// A collection of shares
/// </summary>
public class ShareCollection : ReadOnlyCollectionBase
{
#region Platform

/// <summary>
/// Is this an NT platform?
/// </summary>
protected static bool IsNT
{
get { return (PlatformID.Win32NT == Environment.OSVersion.Platform); }
}

/// <summary>
/// Returns true if this is Windows 2000 or higher
/// </summary>
protected static bool IsW2KUp
{
get
{
OperatingSystem os = Environment.OSVersion;
if (PlatformID.Win32NT == os.Platform && os.Version.Major >= 5)
return true;
else
return false;
}
}

#endregion

#region Interop

#region Constants

/// <summary>Maximum path length</summary>
protected const int MAX_PATH = 260;
/// <summary>No error</summary>
protected const int NO_ERROR = 0;
/// <summary>Access denied</summary>
protected const int ERROR_ACCESS_DENIED = 5;
/// <summary>Access denied</summary>
protected const int ERROR_WRONG_LEVEL = 124;
/// <summary>More data available</summary>
protected const int ERROR_MORE_DATA = 234;
/// <summary>Not connected</summary>
protected const int ERROR_NOT_CONNECTED = 2250;
/// <summary>Level 1</summary>
protected const int UNIVERSAL_NAME_INFO_LEVEL = 1;
/// <summary>Max extries (9x)</summary>
protected const int MAX_SI50_ENTRIES = 20;

#endregion

#region Structures

/// <summary>Unc name</summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
protected struct UNIVERSAL_NAME_INFO
{
[MarshalAs(UnmanagedType.LPTStr)]
public string lpUniversalName;
}

/// <summary>Share information, NT, level 2</summary>
/// <remarks>
/// Requires admin rights to work.
/// </remarks>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
protected struct SHARE_INFO_2
{
[MarshalAs(UnmanagedType.LPWStr)]
public string NetName;
public ShareType ShareType;
[MarshalAs(UnmanagedType.LPWStr)]
public string Remark;
public int Permissions;
public int MaxUsers;
public int CurrentUsers;
[MarshalAs(UnmanagedType.LPWStr)]
public string Path;
[MarshalAs(UnmanagedType.LPWStr)]
public string Password;
}

/// <summary>Share information, NT, level 1</summary>
/// <remarks>
/// Fallback when no admin rights.
/// </remarks>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
protected struct SHARE_INFO_1
{
[MarshalAs(UnmanagedType.LPWStr)]
public string NetName;
public ShareType ShareType;
[MarshalAs(UnmanagedType.LPWStr)]
public string Remark;
}

/// <summary>Share information, Win9x</summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
protected struct SHARE_INFO_50
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 13)]
public string NetName;

public byte bShareType;
public ushort Flags;

[MarshalAs(UnmanagedType.LPTStr)]
public string Remark;
[MarshalAs(UnmanagedType.LPTStr)]
public string Path;

[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 9)]
public string PasswordRW;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 9)]
public string PasswordRO;

public ShareType ShareType
{
get { return (ShareType)((int)bShareType & 0x7F); }
}
}

/// <summary>Share information level 1, Win9x</summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
protected struct SHARE_INFO_1_9x
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 13)]
public string NetName;
public byte Padding;

public ushort bShareType;

[MarshalAs(UnmanagedType.LPTStr)]
public string Remark;

public ShareType ShareType
{
get { return (ShareType)((int)bShareType & 0x7FFF); }
}
}

#endregion

#region Functions

/// <summary>Get a UNC name</summary>
[DllImport(\"mpr\", CharSet = CharSet.Auto)]
protected static extern int WNetGetUniversalName(string lpLocalPath,
int dwInfoLevel, ref UNIVERSAL_NAME_INFO lpBuffer, ref int lpBufferSize);

/// <summary>Get a UNC name</summary>
[DllImport(\"mpr\", CharSet = CharSet.Auto)]
protected static extern int WNetGetUniversalName(string lpLocalPath,
int dwInfoLevel, IntPtr lpBuffer, ref int lpBufferSize);

/// <summary>Enumerate shares (NT)</summary>
[DllImport(\"netapi32\", CharSet = CharSet.Unicode)]
protected static extern int NetShareEnum(string lpServerName, int dwLevel,
out IntPtr lpBuffer, int dwPrefMaxLen, out int entriesRead,
out int totalEntries, ref int hResume);

/// <summary>Enumerate shares (9x)</summary>
[DllImport(\"svrapi\", CharSet = CharSet.Ansi)]
protected static extern int NetShareEnum(
[MarshalAs(UnmanagedType.LPTStr)] string lpServerName, int dwLevel,
IntPtr lpBuffer, ushort cbBuffer, out ushort entriesRead,
out ushort totalEntries);

/// <summary>Free the buffer (NT)</summary>
[DllImport(\"netapi32\")]
protected static extern int NetApiBufferFree(IntPtr lpBuffer);

#endregion

#region Enumerate shares

/// <summary>
/// Enumerates the shares on Windows NT
/// </summary>
/// <param name=\"server\">The server name</param>
/// <param name=\"shares\">The ShareCollection</param>
protected static void EnumerateSharesNT(string server, ShareCollection shares)
{
int level = 2;
int entriesRead, totalEntries, nRet, hResume = 0;
IntPtr pBuffer = IntPtr.Zero;

try
{
nRet = NetShareEnum(server, level, out pBuffer, -1,
out entriesRead, out totalEntries, ref hResume);

if (ERROR_ACCESS_DENIED == nRet)
{
//Need admin for level 2, drop to level 1
level = 1;
nRet = NetShareEnum(server, level, out pBuffer, -1,
out entriesRead, out totalEntries, ref hResume);
}

if (NO_ERROR == nRet && entriesRead > 0)
{
Type t = (2 == level) ? typeof(SHARE_INFO_2) : typeof(SHARE_INFO_1);
int offset = Marshal.SizeOf(t);

for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += offset)

{

IntPtr pItem = new IntPtr(lpItem);

an> if (1 == level)

{

SHARE_INFO_1 si = (SHARE_INFO_1)Marshal.PtrToStructure(pItem, t);

shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);

an> }

else

{

SHARE_INFO_2 si = (SHARE_INFO_2)Marshal.PtrToStructure(pItem, t);

shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);

}

}

}



}

finally

{

// Clean up buffer allocated by system

if (IntPtr.Zero != pBuffer)

NetApiBufferFree(pBuffer);

}

}



/// <summary>
/// Enumerates the shares on Windows 9x
/// </summary>
/// <param name=\"server\">The server name</param>
/// <param name=\"shares\">The ShareCollection</param>
protected static void EnumerateShares9x(string server, ShareCollection shares)
{
int level = 50;
int nRet = 0;
ushort entriesRead, totalEntries;

Type t = typeof(SHARE_INFO_50);
int size = Marshal.SizeOf(t);
ushort cbBuffer = (ushort)(MAX_SI50_ENTRIES * size);
//On Win9x, must allocate buffer before calling API
IntPtr pBuffer = Marshal.AllocHGlobal(cbBuffer);

try
{
nRet = NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);

if (ERROR_WRONG_LEVEL == nRet)
{
level = 1;
t = typeof(SHARE_INFO_1_9x);
size = Marshal.SizeOf(t);

nRet = NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);
}

if (NO_ERROR == nRet || ERROR_MORE_DATA == nRet)
{
for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += size)

n> {

IntPtr pItem = new IntPtr(lpItem);



if (1 == level)

{

SHARE_INFO_1_9x si = (SHARE_INFO_1_9x)Marshal.PtrToStructure(pItem, t);

shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);

}

else

{

SHARE_INFO_50 si = (SHARE_INFO_50)Marshal.PtrToStructure(pItem, t);

shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);

}

}

}

else

Console.WriteLine(nRet);



}

finally

{

//Clean up buffer

Marshal.FreeHGlobal(pBuffer);

}

}



/// <summary>
// / Enumerates the shares
/// </summary>
/// <param name=\"server\">The server name</param>
/// <param name=\"shares\">The ShareCollection</param>
protected static void EnumerateShares(string server, ShareCollection shares)
{
if (null != server && 0 != server.Length && !IsW2KUp)
{
server = server.ToUpper();

// On NT4, 9x and Me, server has to start with \"\\\"
if (!('\\' == server[0] && '\\' == server[1]))
server = @\"\\\" + server;
}

if (IsNT)
EnumerateSharesNT(server, shares);
else
EnumerateShares9x(server, shares);
}

#endregion

#endregion

#region Static methods

/// <summary>
/// Returns true if fileName is a valid local file-name of the form:
/// X:\, where X is a drive letter from A-Z
/// </summary>
/// <param name=\"fileName\">The filename to check</param>
/// <returns></returns>
public static bool IsValidFilePath(string fileName)
{
if (null == fileName || 0 == fileName.Length) return false;

char drive = char.ToUpper(fileName[0]);
if ('A' > drive || drive > 'Z')
return false;

else if (Path.VolumeSeparatorChar != fileName[1])
return false;
else if (Path.DirectorySeparatorChar != fileName[2])
return false;
else
return true;
}

/// <summary>
/// Returns the UNC path for a mapped drive or local share.
/// </summary>
/// <param name=\"fileName\">The path to map</param>
/// <returns>The UNC path (if available)</returns>
public static string PathToUnc(string fileName)
{
if (null == fileName || 0 == fileName.Len gth) return string.Empty;

fileName = Path.GetFullPath(fileName);
if (!IsValidFilePath(fileName)) return fileName;

int nRet = 0;
UNIVERSAL_NAME_INFO rni = new UNIVERSAL_NAME_INFO();
int bufferSize = Marshal.SizeOf(rni);

nRet = WNetGetUniversalName(
fileName, UNIVERSAL_NAME_INFO_LEVEL,
ref rni, ref bufferSize);

if (ERROR_MORE_DATA == nRet)
{
IntPtr pBuffer = Marshal.AllocHGlobal(bufferSize); ;
try
{
nRet = WNetGetUniversalName(
fileName, UNIVERSAL_NAME_INFO_LEVEL,
pBuffer, ref bufferSize);

if (NO_ERROR == nRet)
{
rni = (UNIVERSAL_NAME_INFO)Marshal.PtrToStructure(pBuffer,
typeof(UNIVERSAL_NAME_INFO));
}
}
finally
{
Marshal.FreeHGlobal(pBuffer);
}
}

switch (nRet)
{
case NO_ERROR:
return rni.lpUniversalName;

case ERROR_NOT_CONNECTED:
//Local file-name
ShareCollection shi = LocalShares;
if (null != shi)
{
Share share = shi[fileName];
if (null != share)
{
string path = share.Path;
if (null != path && 0 != path.Length)
{
int index = path.Length;
if (Path.DirectorySeparatorChar != path[path.Length - 1])
index++;

if (index < fileName.Length)

pan> fileName = fileName.Substring(index);

else

fileName = string.Empty;



fileName = Path.Combine(share.ToString(), fileName);

pan> }

}

}



pan> return fileName;



default:

Console.WriteLine(\"Unknown return value: {0}\", nRet);

return string.Empty;

}

}



/// <summary>
/// Returns the local <see cref=\"Share\"/> object with the best match
/// to the specified path.
/// </summary>
/// <param name=\"fileName\"></param>
/// <returns></returns>
public static Share PathToShare(string fileName)
{
if (null == fileName || 0 == fileName.Length) return null;

fileName = Path.GetFullPath(fileName);
if (!IsValidFilePath(fileName)) return null;

ShareCollection shi = LocalShares;
if (null == shi)
return null;
else
return shi[fileName];
}

#endregion

#region Local shares

/// <summary>The local shares</summary>
private static ShareCollection _local = null;

/// <summary>
/// Return the local shares
/// </summary>
public static ShareCollection LocalShares
{
get
{
if (null == _local)
_local = new ShareCollection();

return _local;
}
}

/// <summary>
/// Return the shares for a specified machine
/// </summary>
/// <param name=\"server\"></param>
/// <returns></returns>
public static ShareCollection GetShares(string server)
{
return new ShareCollection(server);
}

#endregion

#region Private Data

/// <summary>The name of the server this collection represents</summary>
private string _server;

#endregion

#region Constructor

/// <summary>
/// Default constructor - local machine
/// </summary>
public ShareCollection()
{
_server = string.Empty;
EnumerateShares(_server, this);
}

/// <summary>
/// Constructor
/// </summary>
/// <param name=\"Server\"></param>
public ShareCollection(string server)
{
_server = server;
EnumerateShares(_server, this);
}

#endregion

#region Add

protected void Add(Share share)
{
InnerList.Add(share);
}

protected void Add(string netName, string path, ShareType shareType, string remark)
{
InnerList.Add(new Share(_server, netName, path, shareType, remark));
}

#endregion

#region Properties

/// <summary>
/// Returns the name of the server this collection represents
/// </summary>
public string Server
{
get { return _server; }
}

/// <summary>
/// Returns the <see cref=\"Share\"/> at the specified index.
/// </summary>
public Share this[int index]
{
get { return (Share)InnerList[index]; }
}

/// <summary>
/// Returns the <see cref=\"Share\"/> which matches a given local path
/// </summary>
/// <param name=\"path\">The path to match</param>
public Share this[string path]
{
get
{
if (null == path || 0 == path.Length) return null;

path = Path.GetFullPath(path);
if (!IsValidFilePath(path)) return null;

Share match = null;

for (int i = 0; i < InnerList.Count; i++)

{
pan>
Share s = (Share)InnerList[i];



if (s.IsFileSystempan> && s.MatchesPath(path))

pan>{

//Store first match

if (null == match)

match = s;



// If this has a longer path,

// and this is a disk share or match is a special share,

// then this is a better match

else i f (match.Path.Length < s.Path.Length)

{

if (ShareType.Disk == s.ShareType || ShareType.Disk != match.ShareType)

match = s;

}

}

}



return match;

}

}



#endregion
$b $b

#region Implementation of ICollection



/// <summary>
/// Copy this collection to an array
/// </summary>
/// <param name=\"array\"></param>
/// <p aram name=\"index\"></param>
public void CopyTo(Share[] array, int index)
{
InnerList.CopyTo(array, index);
}

#endregion
}

#endregion
}

) if (ShareType.Special == _shareType && null != _netName && 0 != _netName.Length) return true; else return false; } } /// <summary> /// Get the root of a disk-based share /// </summary> public DirectoryInfo Root { get { if (IsFileSystem) { if (null == _server || 0 == _server.Length) if (null == _path || 0 == _path.Length) return new DirectoryInfo(ToString()); else return new DirectoryInfo(_path); else return new DirectoryInfo(ToString()); } else return null; } } #endregion /// <summary> /// Returns the path to this share /// </summary> /// <returns></returns> public override string ToString() { if (null == _server || 0 == _server.Length) { return string.Format(@"\\{0}\{1}", Environment.MachineName, _netName); } else return string.Format(@"\\{0}\{1}", _server, _netName); } /// <summary> /// Returns true if this share matches the local path /// </summary> /// <param name="path"></param> /// <returns></returns> public bool MatchesPath(string path) { if (!IsFileSystem) return false; if (null == path || 0 == path.Length) return true; return path.ToLower().StartsWith(_path.ToLower()); } } #endregion #region Share Collection /// <summary> /// A collection of shares /// </summary> public class ShareCollection : ReadOnlyCollectionBase { #region Platform /// <summary> /// Is this an NT platform? /// </summary> protected static bool IsNT { get { return (PlatformID.Win32NT == Environment.OSVersion.Platform); } } /// <summary> /// Returns true if this is Windows 2000 or higher /// </summary> protected static bool IsW2KUp { get { OperatingSystem os = Environment.OSVersion; if (PlatformID.Win32NT == os.Platform && os.Version.Major >= 5) return true; else return false; } } #endregion #region Interop #region Constants /// <summary>Maximum path length</summary> protected const int MAX_PATH = 260; /// <summary>No error</summary> protected const int NO_ERROR = 0; /// <summary>Access denied</summary> protected const int ERROR_ACCESS_DENIED = 5; /// <summary>Access denied</summary> protected const int ERROR_WRONG_LEVEL = 124; /// <summary>More data available</summary> protected const int ERROR_MORE_DATA = 234; /// <summary>Not connected</summary> protected const int ERROR_NOT_CONNECTED = 2250; /// <summary>Level 1</summary> protected const int UNIVERSAL_NAME_INFO_LEVEL = 1; /// <summary>Max extries (9x)</summary> protected const int MAX_SI50_ENTRIES = 20; #endregion #region Structures /// <summary>Unc name</summary> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] protected struct UNIVERSAL_NAME_INFO { [MarshalAs(UnmanagedType.LPTStr)] public string lpUniversalName; } /// <summary>Share information, NT, level 2</summary> /// <remarks> /// Requires admin rights to work. /// </remarks> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] protected struct SHARE_INFO_2 { [MarshalAs(UnmanagedType.LPWStr)] public string NetName; public ShareType ShareType; [MarshalAs(UnmanagedType.LPWStr)] public string Remark; public int Permissions; public int MaxUsers; public int CurrentUsers; [MarshalAs(UnmanagedType.LPWStr)] public string Path; [MarshalAs(UnmanagedType.LPWStr)] public string Password; } /// <summary>Share information, NT, level 1</summary> /// <remarks> /// Fallback when no admin rights. /// </remarks> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] protected struct SHARE_INFO_1 { [MarshalAs(UnmanagedType.LPWStr)] public string NetName; public ShareType ShareType; [MarshalAs(UnmanagedType.LPWStr)] public string Remark; } /// <summary>Share information, Win9x</summary> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)] protected struct SHARE_INFO_50 { [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 13)] public string NetName; public byte bShareType; public ushort Flags; [MarshalAs(UnmanagedType.LPTStr)] public string Remark; [MarshalAs(UnmanagedType.LPTStr)] public string Path; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 9)] public string PasswordRW; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 9)] public string PasswordRO; public ShareType ShareType { get { return (ShareType)((int)bShareType & 0x7F); } } } /// <summary>Share information level 1, Win9x</summary> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)] protected struct SHARE_INFO_1_9x { [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 13)] public string NetName; public byte Padding; public ushort bShareType; [MarshalAs(UnmanagedType.LPTStr)] public string Remark; public ShareType ShareType { get { return (ShareType)((int)bShareType & 0x7FFF); } } } #endregion #region Functions /// <summary>Get a UNC name</summary> [DllImport("mpr", CharSet = CharSet.Auto)] protected static extern int WNetGetUniversalName(string lpLocalPath, int dwInfoLevel, ref UNIVERSAL_NAME_INFO lpBuffer, ref int lpBufferSize); /// <summary>Get a UNC name</summary> [DllImport("mpr", CharSet = CharSet.Auto)] protected static extern int WNetGetUniversalName(string lpLocalPath, int dwInfoLevel, IntPtr lpBuffer, ref int lpBufferSize); /// <summary>Enumerate shares (NT)</summary> [DllImport("netapi32", CharSet = CharSet.Unicode)] protected static extern int NetShareEnum(string lpServerName, int dwLevel, out IntPtr lpBuffer, int dwPrefMaxLen, out int entriesRead, out int totalEntries, ref int hResume); /// <summary>Enumerate shares (9x)</summary> [DllImport("svrapi", CharSet = CharSet.Ansi)] protected static extern int NetShareEnum( [MarshalAs(UnmanagedType.LPTStr)] string lpServerName, int dwLevel, IntPtr lpBuffer, ushort cbBuffer, out ushort entriesRead, out ushort totalEntries); /// <summary>Free the buffer (NT)</summary> [DllImport("netapi32")] protected static extern int NetApiBufferFree(IntPtr lpBuffer); #endregion #region Enumerate shares /// <summary> /// Enumerates the shares on Windows NT /// </summary> /// <param name="server">The server name</param> /// <param name="shares">The ShareCollection</param> protected static void EnumerateSharesNT(string server, ShareCollection shares) { int level = 2; int entriesRead, totalEntries, nRet, hResume = 0; IntPtr pBuffer = IntPtr.Zero; try { nRet = NetShareEnum(server, level, out pBuffer, -1, out entriesRead, out totalEntries, ref hResume); if (ERROR_ACCESS_DENIED == nRet) { //Need admin for level 2, drop to level 1 level = 1; nRet = NetShareEnum(server, level, out pBuffer, -1, out entriesRead, out totalEntries, ref hResume); } if (NO_ERROR == nRet && entriesRead > 0) { Type t = (2 == level) ? typeof(SHARE_INFO_2) : typeof(SHARE_INFO_1); int offset = Marshal.SizeOf(t); for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += offset) { IntPtr pItem = new IntPtr(lpItem); if (1 == level) { SHARE_INFO_1 si = (SHARE_INFO_1)Marshal.PtrToStructure(pItem, t); shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark); } else { SHARE_INFO_2 si = (SHARE_INFO_2)Marshal.PtrToStructure(pItem, t); shares.Add(si.NetName, si.Path, si.ShareType, si.Remark); } } } } finally { // Clean up buffer allocated by system if (IntPtr.Zero != pBuffer) NetApiBufferFree(pBuffer); } } /// <summary> /// Enumerates the shares on Windows 9x /// </summary> /// <param name="server">The server name</param> /// <param name="shares">The ShareCollection</param> protected static void EnumerateShares9x(string server, ShareCollection shares) { int level = 50; int nRet = 0; ushort entriesRead, totalEntries; Type t = typeof(SHARE_INFO_50); int size = Marshal.SizeOf(t); ushort cbBuffer = (ushort)(MAX_SI50_ENTRIES * size); //On Win9x, must allocate buffer before calling API IntPtr pBuffer = Marshal.AllocHGlobal(cbBuffer); try { nRet = NetShareEnum(server, level, pBuffer, cbBuffer, out entriesRead, out totalEntries); if (ERROR_WRONG_LEVEL == nRet) { level = 1; t = typeof(SHARE_INFO_1_9x); size = Marshal.SizeOf(t); nRet = NetShareEnum(server, level, pBuffer, cbBuffer, out entriesRead, out totalEntries); } if (NO_ERROR == nRet || ERROR_MORE_DATA == nRet) { for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += size) { IntPtr pItem = new IntPtr(lpItem); if (1 == level) { SHARE_INFO_1_9x si = (SHARE_INFO_1_9x)Marshal.PtrToStructure(pItem, t); shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark); } else { SHARE_INFO_50 si = (SHARE_INFO_50)Marshal.PtrToStructure(pItem, t); shares.Add(si.NetName, si.Path, si.ShareType, si.Remark); } } } else Console.WriteLine(nRet); } finally { //Clean up buffer Marshal.FreeHGlobal(pBuffer); } } /// <summary> /// Enumerates the shares /// </summary> /// <param name="server">The server name</param> /// <param name="shares">The ShareCollection</param> protected static void EnumerateShares(string server, ShareCollection shares) { if (null != server && 0 != server.Length && !IsW2KUp) { server = server.ToUpper(); // On NT4, 9x and Me, server has to start with "\\" if (!('\\' == server[0] && '\\' == server[1])) server = @"\\" + server; } if (IsNT) EnumerateSharesNT(server, shares); else EnumerateShares9x(server, shares); } #endregion #endregion #region Static methods /// <summary> /// Returns true if fileName is a valid local file-name of the form: /// X:\, where X is a drive letter from A-Z /// </summary> /// <param name="fileName">The filename to check</param> /// <returns></returns> public static bool IsValidFilePath(string fileName) { if (null == fileName || 0 == fileName.Length) return false; char drive = char.ToUpper(fileName[0]); if ('A' > drive || drive > 'Z') return false; else if (Path.VolumeSeparatorChar != fileName[1]) return false; else if (Path.DirectorySeparatorChar != fileName[2]) return false; else return true; } /// <summary> /// Returns the UNC path for a mapped drive or local share. /// </summary> /// <param name="fileName">The path to map</param> /// <returns>The UNC path (if available)</returns> public static string PathToUnc(string fileName) { if (null == fileName || 0 == fileName.Length) return string.Empty; fileName = Path.GetFullPath(fileName); if (!IsValidFilePath(fileName)) return fileName; int nRet = 0; UNIVERSAL_NAME_INFO rni = new UNIVERSAL_NAME_INFO(); int bufferSize = Marshal.SizeOf(rni); nRet = WNetGetUniversalName( fileName, UNIVERSAL_NAME_INFO_LEVEL, ref rni, ref bufferSize); if (ERROR_MORE_DATA == nRet) { IntPtr pBuffer = Marshal.AllocHGlobal(bufferSize); ; try { nRet = WNetGetUniversalName( fileName, UNIVERSAL_NAME_INFO_LEVEL, pBuffer, ref bufferSize); if (NO_ERROR == nRet) { rni = (UNIVERSAL_NAME_INFO)Marshal.PtrToStructure(pBuffer, typeof(UNIVERSAL_NAME_INFO)); } } finally { Marshal.FreeHGlobal(pBuffer); } } switch (nRet) { case NO_ERROR: return rni.lpUniversalName; case ERROR_NOT_CONNECTED: //Local file-name ShareCollection shi = LocalShares; if (null != shi) { Share share = shi[fileName]; if (null != share) { string path = share.Path; if (null != path && 0 != path.Length) { int index = path.Length; if (Path.DirectorySeparatorChar != path[path.Length - 1]) index++; if (index < fileName.Length) fileName = fileName.Substring(index); else fileName = string.Empty; fileName = Path.Combine(share.ToString(), fileName); } } } return fileName; default: Console.WriteLine("Unknown return value: {0}", nRet); return string.Empty; } } /// <summary> /// Returns the local <see cref="Share"/> object with the best match /// to the specified path. /// </summary> /// <param name="fileName"></param> /// <returns></returns> public static Share PathToShare(string fileName) { if (null == fileName || 0 == fileName.Length) return null; fileName = Path.GetFullPath(fileName); if (!IsValidFilePath(fileName)) return null; ShareCollection shi = LocalShares; if (null == shi) return null; else return shi[fileName]; } #endregion #region Local shares /// <summary>The local shares</summary> private static ShareCollection _local = null; /// <summary> /// Return the local shares /// </summary> public static ShareCollection LocalShares { get { if (null == _local) _local = new ShareCollection(); return _local; } } /// <summary> /// Return the shares for a specified machine /// </summary> /// <param name="server"></param> /// <returns></returns> public static ShareCollection GetShares(string server) { return new ShareCollection(server); } #endregion #region Private Data /// <summary>The name of the server this collection represents</summary> private string _server; #endregion #region Constructor /// <summary> /// Default constructor - local machine /// </summary> public ShareCollection() { _server = string.Empty; EnumerateShares(_server, this); } /// <summary> /// Constructor /// </summary> /// <param name="Server"></param> public ShareCollection(string server) { _server = server; EnumerateShares(_server, this); } #endregion #region Add protected void Add(Share share) { InnerList.Add(share); } protected void Add(string netName, string path, ShareType shareType, string remark) { InnerList.Add(new Share(_server, netName, path, shareType, remark)); } #endregion #region Properties /// <summary> /// Returns the name of the server this collection represents /// </summary> public string Server { get { return _server; } } /// <summary> /// Returns the <see cref="Share"/> at the specified index. /// </summary> public Share this[int index] { get { return (Share)InnerList[index]; } } /// <summary> /// Returns the <see cref="Share"/> which matches a given local path /// </summary> /// <param name="path">The path to match</param> public Share this[string path] { get { if (null == path || 0 == path.Length) return null; path = Path.GetFullPath(path); if (!IsValidFilePath(path)) return null; Share match = null; for (int i = 0; i < InnerList.Count; i++) { Share s = (Share)InnerList[i]; if (s.IsFileSystem && s.MatchesPath(path)) { //Store first match if (null == match) match = s; // If this has a longer path, // and this is a disk share or match is a special share, // then this is a better match else if (match.Path.Length < s.Path.Length) { if (ShareType.Disk == s.ShareType || ShareType.Disk != match.ShareType) match = s; } } } return match; } } #endregion #region Implementation of ICollection /// <summary> /// Copy this collection to an array /// </summary> /// <param name="array"></param> /// <param name="index"></param> public void CopyTo(Share[] array, int index) { InnerList.CopyTo(array, index); } #endregion } #endregion }

-----

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Diagnostics;

using System.Linq;

using System.ServiceProcess;

using System.Text;

using System.Configuration;

using System.IO;

using Trinet.Networking;



namespace mytestservice

{

public partial class Testservice : ServiceBase

{

public Testservice()

{

InitializeComponent();

}

static string getUncpath(string fname)

{



string fpath = ShareCollection.PathToUnc(fname);



return fpath;

}

protected override void OnStart(string[] args)

{

// EventLog.WriteEntry(\"my service started\");

try

{

if (ConfigurationManager.AppSettings[\"fpath\"] == null || string.IsNullOrWhiteSpace(ConfigurationManager.AppSettings[\"fpath\"]))

{

//Console.WriteLine(\"key value is null\");

EventLog.WriteEntry(\"key value is null in app.config\");



}

else

{



string fpath1 = ConfigurationManager.AppSettings[\"fpath\"];



// string uncpath = ShareCollection.PathToUnc(fpath1);



string uncpath = getUncpath(fpath1);



//StreamWriter sw = new StreamWriter(fpath1, FileMode.OpenOrCreate, FileAccess.Write);

//sw.WriteLine(\"aurovinda:\" + DateTime.Now.ToString());



FileStream fs = new FileStream(uncpath, FileMode.OpenOrCreate, FileAccess.Write);



StreamWriter sw = new StreamWriter(fs);



sw.WriteLine(\"aurovinda\");



}

}

catch (Exception ex)

{

// Console.WriteLine(ex.Message.ToString());

EventLog.WriteEntry(ex.Message);

}

}



protected override void OnStop()

{

}

}

}



-------------------------------

config file







<configuration>

<appsettings>

<add key=\"fpath\" value=\"K:\IT\">

-----
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Configuration;
using System.IO;
using Trinet.Networking;

namespace mytestservice
{
public partial class Testservice : ServiceBase
{
public Testservice()
{
InitializeComponent();
}
static string getUncpath(string fname)
{

string fpath = ShareCollection.PathToUnc(fname);

return fpath;
}
protected override void OnStart(string[] args)
{
// EventLog.WriteEntry("my service started");
try
{
if (ConfigurationManager.AppSettings["fpath"] == null || string.IsNullOrWhiteSpace(ConfigurationManager.AppSettings["fpath"]))
{
//Console.WriteLine("key value is null");
EventLog.WriteEntry("key value is null in app.config");

}
else
{

string fpath1 = ConfigurationManager.AppSettings["fpath"];

// string uncpath = ShareCollection.PathToUnc(fpath1);

string uncpath = getUncpath(fpath1);

//StreamWriter sw = new StreamWriter(fpath1, FileMode.OpenOrCreate, FileAccess.Write);
//sw.WriteLine("aurovinda:" + DateTime.Now.ToString());

FileStream fs = new FileStream(uncpath, FileMode.OpenOrCreate, FileAccess.Write);

StreamWriter sw = new StreamWriter(fs);

sw.WriteLine("aurovinda");

}
}
catch (Exception ex)
{
// Console.WriteLine(ex.Message.ToString());
EventLog.WriteEntry(ex.Message);
}
}

protected override void OnStop()
{
}
}
}

-------------------------------
config file



<configuration>
<appsettings>
<add key="fpath" value="K:\IT">

Your concept is worng. A Windows Service runs with a special account, not with your user account. Consequently, it does not know anything your mapped drives.

Your concept is worng. A Windows Service runs with a special account, not with your user account. Consequently, it does not know anything your mapped drives.