public static string ToUncPath(string path)
{
if (IsDevice(path))
{
return(LongPathExtension.GetFullPath(path));
}
if (IsPartiallyQualified(path))
{
path = LongPathExtension.GetFullPath(path);
if (IsDevice(path))
{
return(path);
}
else
{
return(ExtendedPathPrefix + path);
}
}
//// Given \\server\share in longpath becomes \\?\UNC\server\share
if (path.StartsWith(UncPathPrefix, StringComparison.OrdinalIgnoreCase))
{
return(LongPathExtension.GetFullPath(path.Insert(2, UncExtendedPrefixToInsert)));
}
return(LongPathExtension.GetFullPath(ExtendedPathPrefix + path));
}
public static void Delete(string path)
{
#if DOTNET5_4
File.Delete(path);
#else
path = LongPathExtension.ToUncPath(path);
if (!NativeMethods.DeleteFileW(path))
{
NativeMethods.ThrowExceptionForLastWin32ErrorIfExists();
}
#endif
}
public static void Delete(string path, bool recursive = false)
{
#if DOTNET5_4
Directory.Delete(path, recursive);
#else
path = LongPathExtension.ToUncPath(path);
if (recursive == true)
{
string[] dirs = GetDirectories(path, SearchOption.AllDirectories);
string[] files = GetFiles(path, SearchOption.AllDirectories);
Array.Sort(dirs, (string strA, string strB) => {
if (strA.Length > strB.Length)
{
return(-1);
}
if (strA.Length < strB.Length)
{
return(1);
}
return(string.Compare(strB, strA));
});
Array.Sort(files, (string strA, string strB) => {
if (strA.Length > strB.Length)
{
return(-1);
}
if (strA.Length < strB.Length)
{
return(1);
}
return(string.Compare(strB, strA));
});
foreach (var subPath in files)
{
LongPathFileExtension.Delete(subPath);
}
foreach (var subDir in dirs)
{
LongPathDirectoryExtension.Delete(subDir);
}
}
LongPathDirectoryExtension.Delete(path);
#endif
}