From 6b6ceda497e05332bab7272a5995eda3a5600a91 Mon Sep 17 00:00:00 2001
From: BlueBlock <theblueblock@protonmail.com>
Date: Fri, 17 Mar 2023 13:07:58 -0400
Subject: [PATCH] Update ProtocolBase.cs

check if object is disposed before working with it
---
 mRemoteNG/Connection/Protocol/ProtocolBase.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mRemoteNG/Connection/Protocol/ProtocolBase.cs b/mRemoteNG/Connection/Protocol/ProtocolBase.cs
index a257133c0..37ba0c97e 100644
--- a/mRemoteNG/Connection/Protocol/ProtocolBase.cs
+++ b/mRemoteNG/Connection/Protocol/ProtocolBase.cs
@@ -203,6 +203,10 @@ namespace mRemoteNG.Connection.Protocol
 
         private void DisposeInterface()
         {
+            if (_interfaceControl.IsDisposed)
+            {
+                return;
+            }
             if (_interfaceControl.InvokeRequired)
             {
                 var s = new DisposeInterfaceCB(DisposeInterface);