/// <summary>
/// Returns the <see cref="Share"/> which matches a given local path
/// </summary>
/// <param name="path">The path to match</param>
public NetShare this[string path]
{
get
{
if (null == path || 0 == path.Length)
{
return(null);
}
path = Path.GetFullPath(path);
if (!IsValidFilePath(path))
{
return(null);
}
NetShare match = null;
for (int i = 0; i < InnerList.Count; i++)
{
NetShare s = (NetShare)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);
}
}
protected void Add(NetShare share)
{
InnerList.Add(share);
}
/// <summary>
/// Copy this collection to an array
/// </summary>
/// <param name="array"></param>
/// <param name="index"></param>
public void CopyTo(NetShare[] array, int index)
{
InnerList.CopyTo(array, index);
}
/// <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
NetShareCollection shi = LocalNetShares;
if (null != shi)
{
NetShare 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);
}
}
protected void Add(NetShare share)
{
InnerList.Add(share);
}