public override object GetChild(string key)
{
object ret = null;
if (ret == null)
{
ret = Files.Find(x => x.Name.ToLower() == key.ToLower());
}
if (ret == null && !key.EndsWith(".img"))
{
ret = Files.Find(x => x.Name.ToLower() == (key + ".img").ToLower());
}
if (ret == null)
{
ret = SubDirectories.Find(x => x.Name.ToLower() == key.ToLower());
}
if (ret is NameSpaceFile nsf)
{
ret = nsf.Object;
}
return(ret);
}