From cc743cd6024ecf8a18af6595ff86dbeaaf8339e3 Mon Sep 17 00:00:00 2001
From: Daniel Schick <schick@textbausteine.net>
Date: Mon, 13 May 2024 17:18:47 +0200
Subject: [PATCH] Bugfix: Only continue on refresh timer if ui Update has been
 completed

---
 src/BreCalClient/MainWindow.xaml.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/BreCalClient/MainWindow.xaml.cs b/src/BreCalClient/MainWindow.xaml.cs
index e707445..40a85f3 100644
--- a/src/BreCalClient/MainWindow.xaml.cs
+++ b/src/BreCalClient/MainWindow.xaml.cs
@@ -505,6 +505,11 @@ namespace BreCalClient
                 try
                 {
                     double interval = (double) SHIPCALL_UPDATE_INTERVAL_SECONDS / PROGRESS_STEPS;
+
+                    if (Interlocked.CompareExchange(ref _uiUpdateRunning, 1, 0) == 1) // do not restart progress unless UI update has completed
+                        await Task.Delay(TimeSpan.FromSeconds(interval));
+
+                    System.Diagnostics.Trace.WriteLine("restarting refresh countdown");
                     for (int i = 0; i < PROGRESS_STEPS; i++)
                     {
                         await Task.Delay(TimeSpan.FromSeconds(interval), _tokenSource.Token);