Fix issue when resetting desktop wallpaper

Author: t1m0thyj

src/EventScheduler.cs

@@ -101,7 +101,8 @@ public bool Run(bool forceImageUpdate = false, DisplayEvent overrideEvent = null
                 SolarScheduler.CalcNextUpdateTime(data, displayEvents[i]);
                 LoggingHandler.LogMessage("Updated display event: {0}", displayEvents[i]);
 
-                bool isEventOverridden = displayEvents[i].displayIndex == overrideEvent?.displayIndex;
+                bool isEventOverridden = overrideEvent != null &&
+                    displayEvents[i].displayIndex == Math.Max(0, overrideEvent.displayIndex);
                 if (displayEvents[i].currentTheme != null || isEventOverridden)
                 {
                     HandleDisplayEvent(isEventOverridden ? overrideEvent : displayEvents[i]);
@@ -238,15 +239,6 @@ private void HandleTimerEvent(bool updateLocation)
             }
 
             UpdateChecker.TryCheckAuto();
-            // Update access time for extracted DLL files to prevent Storage Sense from deleting them
-            string tempLibPath = Path.Combine(Path.GetTempPath(), ".net", Application.ProductName);
-            if (Directory.Exists(tempLibPath))
-            {
-                foreach (string filePath in Directory.EnumerateFiles(tempLibPath, "*.dll", SearchOption.AllDirectories))
-                {
-                    File.SetLastAccessTime(filePath, DateTime.Now);
-                }
-            }
         }
 
         private void OnBackgroundTimerElapsed(object sender, EventArgs e)

src/UpdateChecker.cs

@@ -5,6 +5,7 @@
 using RestSharp;
 using System;
 using System.Globalization;
+using System.IO;
 using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Threading.Tasks;
@@ -136,6 +137,7 @@ private static async Task CheckAuto()
 
         public static void TryCheckAuto(bool forceIfEnabled = false)
         {
+            PreserveTempDlls();
             if (UwpDesktop.IsRunningAsUwp() || JsonConfig.settings.autoUpdateCheck == false)
             {
                 return;
@@ -156,6 +158,19 @@ public static void TryCheckAuto(bool forceIfEnabled = false)
             Task.Run(CheckAuto);
         }
 
+        private static void PreserveTempDlls()
+        {
+            // Update access time for extracted DLL files to prevent Storage Sense from deleting them
+            string tempLibPath = Path.Combine(Path.GetTempPath(), ".net", Application.ProductName);
+            if (Directory.Exists(tempLibPath))
+            {
+                foreach (string filePath in Directory.EnumerateFiles(tempLibPath, "*.dll", SearchOption.AllDirectories))
+                {
+                    File.SetLastAccessTime(filePath, DateTime.Now);
+                }
+            }
+        }
+
         private static void OnAutoUpdateItemClick(object sender, EventArgs e)
         {
             bool isEnabled = JsonConfig.settings.autoUpdateCheck ^ true;