From 7d0cbf423e0118f3a204b26b55d750e5a9f15bcc Mon Sep 17 00:00:00 2001
From: BlueBlock <theblueblock@protonmail.com>
Date: Tue, 21 Mar 2023 13:03:21 -0400
Subject: [PATCH] add resize fallback

Add resize fallback if the target OS fails to resize using the most current method. (for example, this occurs with Server2008R2)
---
 mRemoteNG/Connection/Protocol/RDP/RdpProtocol9.cs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/mRemoteNG/Connection/Protocol/RDP/RdpProtocol9.cs b/mRemoteNG/Connection/Protocol/RDP/RdpProtocol9.cs
index b9c799aa..bf678d51 100644
--- a/mRemoteNG/Connection/Protocol/RDP/RdpProtocol9.cs
+++ b/mRemoteNG/Connection/Protocol/RDP/RdpProtocol9.cs
@@ -1,4 +1,5 @@
-using System.Runtime.Versioning;
+using System;
+using System.Runtime.Versioning;
 using System.Windows.Forms;
 using AxMSTSCLib;
 using MSTSCLib;
@@ -34,7 +35,15 @@ namespace mRemoteNG.Connection.Protocol.RDP
 
         protected override void UpdateSessionDisplaySettings(uint width, uint height)
         {
-            RdpClient9.UpdateSessionDisplaySettings(width, height, width, height, Orientation, DesktopScaleFactor, DeviceScaleFactor);
+            try
+            {
+                RdpClient9.UpdateSessionDisplaySettings(width, height, width, height, Orientation, DesktopScaleFactor, DeviceScaleFactor);
+            }
+            catch (Exception)
+            {
+                // target OS does not support newer method, fallback to an older method
+                base.UpdateSessionDisplaySettings(width, height);
+            }
         }
 
     }