拖动的可视指示。
默认为 DragAndDropVisualMode.Link。
using UnityEngine; using UnityEditor;
public class Example : MonoBehaviour { void OnGUI() { EventType eventType = Event.current.type; if (eventType == EventType.DragUpdated || eventType == EventType.DragPerform) { // Show a copy icon on the drag DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (eventType == EventType.DragPerform) { DragAndDrop.AcceptDrag(); } Event.current.Use(); } } }