LogWindow: Improve loading time

Elwig/Helpers/Utils.cs

@@ -561,9 +561,7 @@ namespace Elwig.Helpers {
                 Log = "Application",
                 Source = ".NET Runtime",
             };
-            return log.Entries.Cast<EventLogEntry>()
-                .Where(e => e.Message.StartsWith("Application: Elwig.exe"))
-                .ToList();
+            return [.. log.Entries.OfType<EventLogEntry>().Where(e => e.InstanceId == 1026).Where(e => e.Message.StartsWith("Application: Elwig.exe"))];
         }
 
         public static int GetEntityIdetifierForPk(params object?[] primaryKey) {

Elwig/Windows/LogWindow.xaml.cs

@@ -1,7 +1,9 @@
 using Elwig.Helpers;
 using System.Diagnostics;
 using System.Linq;
+using System.Threading.Tasks;
 using System.Windows;
+using System.Windows.Input;
 
 namespace Elwig.Windows {
     public partial class LogWindow : Window {
@@ -11,9 +13,11 @@ namespace Elwig.Windows {
             WindowState = WindowState.Maximized;
         }
 
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
+        private async void Window_Loaded(object sender, RoutedEventArgs evt) {
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
                 var log = Utils.GetLogEntries();
-            EventList.ItemsSource = log
+                var list = log
                   .Select(e => new {
                       Event = e,
                       Lines = e.Message.Split('\n').ToArray(),
@@ -32,7 +36,12 @@ namespace Elwig.Windows {
                   })
                   .OrderByDescending(e => e.Event.TimeGenerated)
                   .ToList();
+                await App.MainDispatcher.BeginInvoke(() => {
+                    EventList.ItemsSource = list;
                     EventList.SelectedIndex = 0;
+                });
+            });
+            Mouse.OverrideCursor = null;
         }
 
         private void EventList_SelectionChanged(object sender, RoutedEventArgs evt) {