From 96be67870bf9543bb6ece4b1ac8bcbba5af5bbe4 Mon Sep 17 00:00:00 2001
From: Michael Oborne <mich146@hotmail.com>
Date: Wed, 22 Nov 2023 11:22:48 +1100
Subject: [PATCH] FlightData: handle bad squawk code from ping

---
 GCSViews/FlightData.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/GCSViews/FlightData.cs b/GCSViews/FlightData.cs
index 044a3e63f6..46ae7561bb 100644
--- a/GCSViews/FlightData.cs
+++ b/GCSViews/FlightData.cs
@@ -6180,7 +6180,14 @@ private void updateTransponder()
                 if (!Squawk_nud.Focused)
                 {
                     Squawk_nud.ValueChanged -= new EventHandler(Squawk_nud_ValueChanged);
-                    Squawk_nud.Value = (decimal)MainV2.comPort.MAV.cs.xpdr_mode_A_squawk_code;
+                    try
+                    {
+                        Squawk_nud.Value = (decimal)MainV2.comPort.MAV.cs.xpdr_mode_A_squawk_code;
+                        // if the value is bad, we need to be able to reset it, so silent fail
+                    }
+                    catch
+                    {
+                    }
                     Squawk_nud.ValueChanged += new EventHandler(Squawk_nud_ValueChanged);
                 }