From 42cd1608acf5bb9f99ee16fa6db7d7e7fff072c6 Mon Sep 17 00:00:00 2001
From: yyl <yyl>
Date: 星期一, 02 二月 2026 17:35:34 +0800
Subject: [PATCH] 125 防止重复注册事件的内容

---
 Main/Utility/Extension.cs |   77 +++++++++++++++++++++++++++++++++++++-
 1 files changed, 75 insertions(+), 2 deletions(-)

diff --git a/Main/Utility/Extension.cs b/Main/Utility/Extension.cs
index 5a2e4e8..b5d01c7 100644
--- a/Main/Utility/Extension.cs
+++ b/Main/Utility/Extension.cs
@@ -1,4 +1,77 @@
-class Extension
-{
+using System;
+using System.Collections.Generic;
 
+public static class Extension
+{
+    public static void RemoveCompletely<T>(this System.Action<T> action, Action<T> removeAction)
+    {
+        if (null == action)
+        {
+            return;
+        }
+
+        Delegate[] invocations = action.GetInvocationList();
+
+        for (int i = 0; i < invocations.Length; i++)
+        {
+            if (invocations[i].Equals(removeAction))
+            {
+                action -= removeAction;
+            }
+        }
+    }
+
+    public static void RemoveCompletely<T, U>(this System.Action<T, U> action, Action<T, U> removeAction)
+    {
+        if (null == action)
+        {
+            return;
+        }
+
+        Delegate[] invocations = action.GetInvocationList();
+
+        for (int i = 0; i < invocations.Length; i++)
+        {
+            if (invocations[i].Equals(removeAction))
+            {
+                action -= removeAction;
+            }
+        }
+    }
+
+    public static void RemoveCompletely(this System.Action action, Action removeAction)
+    {
+        if (null == action)
+        {
+            return;
+        }
+
+        Delegate[] invocations = action.GetInvocationList();
+
+        for (int i = 0; i < invocations.Length; i++)
+        {
+            if (invocations[i].Equals(removeAction))
+            {
+                action -= removeAction;
+            }
+        }
+    }
+
+    public static void RemoveCompletely<T, U, V>(this System.Action<T, U, V> action, Action<T, U, V> removeAction)
+    {
+        if (null == action)
+        {
+            return;
+        }
+
+        Delegate[] invocations = action.GetInvocationList();
+
+        for (int i = 0; i < invocations.Length; i++)
+        {
+            if (invocations[i].Equals(removeAction))
+            {
+                action -= removeAction;
+            }
+        }
+    }
 }
\ No newline at end of file

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