Handle errors displaying app and close window automatically on focus change

Author: noraa-junker

src/modules/ShortcutGuideV2/ShortcutGuide.Ui/ShortcutGuideXAML/MainWindow.xaml.cs

@@ -4,6 +4,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.Text.Json;
@@ -59,7 +60,7 @@ public MainWindow()
             SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 #endif
 
-            Activated += OnLauched;
+            Activated += Window_Activated;
 
             SettingsUtils settingsUtils = new();
 
@@ -70,8 +71,13 @@ public MainWindow()
             }
         }
 
-        private void OnLauched(object sender, WindowActivatedEventArgs e)
+        private void Window_Activated(object sender, WindowActivatedEventArgs e)
         {
+            if (e.WindowActivationState == WindowActivationState.Deactivated)
+            {
+                Environment.Exit(0);
+            }
+
             if (!_setPosition)
             {
                 var hwnd = WinRT.Interop.WindowNative.GetWindowHandle(this);

src/modules/ShortcutGuideV2/ShortcutGuide.Ui/ShortcutGuideXAML/ShortcutView.xaml.cs

@@ -30,44 +30,53 @@ public ShortcutView()
 
             int i = -1;
 
-            CategorySelector.Items.Add(new SelectorBarItem() { Text = "Overview", Name = i.ToString(CultureInfo.InvariantCulture) });
+            try
+            {
+                CategorySelector.Items.Add(new SelectorBarItem() { Text = "Overview", Name = i.ToString(CultureInfo.InvariantCulture) });
 
-            i++;
+                i++;
 
-            foreach (var category in shortcutList.Shortcuts)
-            {
-                switch (category.SectionName)
+                foreach (var category in shortcutList.Shortcuts)
                 {
-                    case string name when name.StartsWith("<TASKBAR1-9>", StringComparison.Ordinal):
-                        // Todo: Implement GetTaskbarIconPositions
-                        break;
-                    case string name when name.StartsWith('<') && name.EndsWith('>'):
-                        break;
-                    default:
-                        CategorySelector.Items.Add(new SelectorBarItem() { Text = category.SectionName, Name = i.ToString(CultureInfo.InvariantCulture) });
-                        break;
+                    switch (category.SectionName)
+                    {
+                        case string name when name.StartsWith("<TASKBAR1-9>", StringComparison.Ordinal):
+                            // Todo: Implement GetTaskbarIconPositions
+                            break;
+                        case string name when name.StartsWith('<') && name.EndsWith('>'):
+                            break;
+                        default:
+                            CategorySelector.Items.Add(new SelectorBarItem() { Text = category.SectionName, Name = i.ToString(CultureInfo.InvariantCulture) });
+                            break;
+                    }
+
+                    i++;
                 }
 
-                i++;
-            }
+                CategorySelector.SelectedItem = CategorySelector.Items[0];
+                CategorySelector.SelectionChanged += CategorySelector_SelectionChanged;
 
-            CategorySelector.SelectedItem = CategorySelector.Items[0];
-            CategorySelector.SelectionChanged += CategorySelector_SelectionChanged;
+                foreach (var shortcut in shortcutList.Shortcuts[0].Properties)
+                {
+                    ShortcutListElement.Items.Add((ShortcutTemplateDataObject)shortcut);
+                }
 
-            foreach (var shortcut in shortcutList.Shortcuts[0].Properties)
-            {
-                ShortcutListElement.Items.Add((ShortcutTemplateDataObject)shortcut);
-            }
+                ShortcutPageParameters.FrameHeight.FrameHeightChanged += ContentHeightChanged;
+                ShortcutPageParameters.SearchFilter.FilterChanged += SearchFilter_FilterChanged;
 
-            ShortcutPageParameters.FrameHeight.FrameHeightChanged += ContentHeightChanged;
-            ShortcutPageParameters.SearchFilter.FilterChanged += SearchFilter_FilterChanged;
+                if (!ShortcutPageParameters.PinnedShortcuts.TryGetValue(ShortcutPageParameters.CurrentPageName, out var _))
+                {
+                    ShortcutPageParameters.PinnedShortcuts.Add(ShortcutPageParameters.CurrentPageName, []);
+                }
 
-            if (!ShortcutPageParameters.PinnedShortcuts.TryGetValue(ShortcutPageParameters.CurrentPageName, out var _))
+                OpenOverview();
+            }
+            catch (Exception)
             {
-                ShortcutPageParameters.PinnedShortcuts.Add(ShortcutPageParameters.CurrentPageName, []);
+                OverviewStackPanel.Visibility = Visibility.Collapsed;
+                ErrorMessage.Visibility = Visibility.Visible;
+                ErrorMessage.Text = "Error displaying the applications shortcuts";
             }
-
-            OpenOverview();
         }
 
         private void OnPropertyChanged([CallerMemberName] string? propertyName = null)