How can I drag a prefab into sceneview and put it into a parent node?

Question

Currently I'm doing like this

foreach (var obj in DragAndDrop.objectReferences)
                {
                    GameObject go = GameObject.Find(obj.name);
                    
                    if (go != null)
                    {

                        GameObject parent = GameObject.Find("Parent");
                        if (parent == null)
                        {
                            parent = new GameObject();
                            parent .name = "Parent";                            
           
                        }
                        go.transform.SetParent(temp.transform);
                    }
                }

However, I try to drag something with the same name and it will be instantiated by other name(like A(1) rather than A), I can't find it with its name.

Also I try to create an instance by my own and put it to my parent node by code when I drag something into scene view. However, it seems unity will create an instance by itself so I will have two copies of instance in the scene view.

So how can I get the instantiated objects and put them to my parent node?

Answer 1

Eventually, I found two solutions.

if (currentEvent.type == EventType.DragExited){
    var goes = Selection.gameObjects;
    for (int i = 0; i < goes.Length; i++){
        DoSomething();
    }
}

if (currentEvent.type == EventType.DragExited){
    var objects = Object.FindObjectsOfType<MyScript>();//every prefab has MyScript component
    for (int i = 0; i < objects.Length; i++){
        DoSomething();
    }
}

Then you can get the instances of prefabs that the user drags into the scene view.