/// <summary>
/// Determines if the directory directly contains the other directory or file.
/// </summary>
public static bool ContainsDirectly(this DirectoryInfo dir, FileSystemInfo other)
{
if (dir == null)
{
throw new ArgumentNullException(nameof(dir));
}
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
return(dir.AreSame(other.GetParentDirectory()));
}