/// <summary>
/// Creates a read-only <see cref="FileStream"/>.
/// </summary>
/// <returns>A new read-only <see cref="FileStream"/> object.</returns>
/// <exception cref="UnauthorizedAccessException">The caller does not have the required permission.</exception>
/// <exception cref="FileNotFoundException">The file is not found.</exception>
/// <exception cref="DirectoryNotFoundException">The specified path is invalid (for example, it is on an unmapped drive.</exception>
/// <exception cref="IOException">An I/O error occurred while creating the file.</exception>
public FileStream OpenRead()
{
return(LongPathFile.OpenRead(this.NormalizedPath));
}