From dc364b5fd3a6bebdb1fd95c464fc858861bf7d7b Mon Sep 17 00:00:00 2001
From: FlorianDahn <ich@florian-dahn.de>
Date: Thu, 4 Mar 2021 15:17:06 +0100
Subject: [PATCH] Fix for Cleanup method

- there was an collection changed exception which blocked the method from working
---
 TelegramBotBase/Form/AutoCleanForm.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/TelegramBotBase/Form/AutoCleanForm.cs b/TelegramBotBase/Form/AutoCleanForm.cs
index fdaeffd..4a7c6c5 100644
--- a/TelegramBotBase/Form/AutoCleanForm.cs
+++ b/TelegramBotBase/Form/AutoCleanForm.cs
@@ -142,8 +142,9 @@ namespace TelegramBotBase.Form
                 foreach(var m in msgs)
                 {
                     Device.OnMessageDeleted(new MessageDeletedEventArgs(m));
-                    this.OldMessages.Remove(m);
                 }
+
+                this.OldMessages.RemoveRange(0, msgs.Count());
             }            
         }
     }