/// <summary>
/// Throws an exception if the native error code was corresponds to a known <see cref="EnumerateDirectoryStatus"/>
/// (and enumeration was not successful).
/// </summary>
public static Exception ThrowForKnownError(this EnumerateDirectoryResult result)
{
Contract.Requires(result.Status != EnumerateDirectoryStatus.UnknownError && result.Status != EnumerateDirectoryStatus.Success);
throw result.CreateExceptionForError();
}