public void OpenFolder(GameObject obj)
{
List <string> path = new List <string>
{
obj.name
};
Transform t = obj.transform;
t = t.parent;
while (t != transform)
{
path.Add(t.name);
t = t.parent;
}
DirectoryTree dtt = dt;
for (int i = path.Count - 1; i >= 0; i--)
{
dtt = dtt.Find(path[i]);
}
dtt.Extend();
}