add XianTu

XianTu/ToolScripts/EventTriggerExpand.cs

@@ -0,0 +1,21 @@
+using UnityEngine.Events;
+using UnityEngine.EventSystems;
+
+namespace ToolScripts
+{
+	internal static class EventTriggerExpand
+	{
+		public static void Add(this EventTrigger trigger, EventTriggerType eventID, UnityAction<BaseEventData> callback)
+		{
+			var flag = trigger.triggers == null;
+			if (flag)
+			{
+				trigger.triggers = [];
+			}
+			var entry = new EventTrigger.Entry();
+			entry.eventID = eventID;
+			entry.callback.AddListener(callback);
+			trigger.triggers.Add(entry);
+		}
+	}
+}