chore(imageresizer): fix log folder path formatting in App.xaml.cs (#44761)

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Co-authored-by: Yu Leng <yuleng@microsoft.com>

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Helpers/FancyZonesDataService.cs

@@ -41,16 +41,13 @@ internal static class FancyZonesDataService
 
         try
         {
-            if (!File.Exists(FZPaths.EditorParameters))
-            {
-                error = Resources.FancyZones_MonitorDataNotFound;
-                Logger.LogWarning($"TryGetMonitors: File not found. Path={FZPaths.EditorParameters}");
-                return false;
-            }
-
-            Logger.LogInfo($"TryGetMonitors: File exists, reading...");
-            var editorParams = FancyZonesDataIO.ReadEditorParameters();
-            Logger.LogInfo($"TryGetMonitors: ReadEditorParameters returned. Monitors={editorParams.Monitors?.Count ?? -1}");
+            // Request FancyZones to save current monitor configuration.
+            // The editor-parameters.json file is only written when:
+            // 1. Opening the FancyZones Editor
+            // 2. Receiving the WM_PRIV_SAVE_EDITOR_PARAMETERS message
+            // Without this, monitor changes (plug/unplug) won't be reflected in the file.
+            var editorParams = ReadEditorParametersWithRefresh();
+            Logger.LogInfo($"TryGetMonitors: ReadEditorParametersWithRefreshWithRefresh returned. Monitors={editorParams.Monitors?.Count ?? -1}");
 
             var editorMonitors = editorParams.Monitors;
             if (editorMonitors is null || editorMonitors.Count == 0)
@@ -74,6 +71,23 @@ internal static class FancyZonesDataService
         }
     }
 
+    /// <summary>
+    /// Requests FancyZones to save the current monitor configuration and reads the file.
+    /// This is a best-effort approach for performance: we send the save request and immediately
+    /// read the file without waiting. If the file hasn't been updated yet, the next call will
+    /// see the updated data since FancyZones processes the message asynchronously.
+    /// </summary>
+    private static EditorParameters.ParamsWrapper ReadEditorParametersWithRefresh()
+    {
+        // Request FancyZones to save the current monitor configuration.
+        // This is fire-and-forget for performance - we don't wait for the save to complete.
+        // If this is the first call after a monitor change, we may read stale data, but the
+        // next call will see the updated file since FancyZones will have processed the message.
+        FancyZonesNotifier.NotifySaveEditorParameters();
+
+        return FancyZonesDataIO.ReadEditorParameters();
+    }
+
     public static IReadOnlyList<FancyZonesLayoutDescriptor> GetLayouts()
     {
         Logger.LogInfo($"GetLayouts: Starting. LayoutTemplatesPath={FZPaths.LayoutTemplates} CustomLayoutsPath={FZPaths.CustomLayouts}");

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Helpers/FancyZonesNotifier.cs

@@ -10,13 +10,25 @@ namespace PowerToysExtension.Helpers;
 internal static class FancyZonesNotifier
 {
     private const string AppliedLayoutsFileUpdateMessage = "{2ef2c8a7-e0d5-4f31-9ede-52aade2d284d}";
+    private const string SaveEditorParametersMessage = "{d8f9c0e3-5d77-4e83-8a4f-7c704c2bfb4a}";
+
     private static readonly uint WmPrivAppliedLayoutsFileUpdate = RegisterWindowMessageW(AppliedLayoutsFileUpdateMessage);
+    private static readonly uint WmPrivSaveEditorParameters = RegisterWindowMessageW(SaveEditorParametersMessage);
 
     public static void NotifyAppliedLayoutsChanged()
     {
         _ = PostMessageW(new IntPtr(0xFFFF), WmPrivAppliedLayoutsFileUpdate, UIntPtr.Zero, IntPtr.Zero);
     }
 
+    /// <summary>
+    /// Notifies FancyZones to save the current monitor configuration to editor-parameters.json.
+    /// This is needed because FancyZones only writes this file when opening the editor or when explicitly requested.
+    /// </summary>
+    public static void NotifySaveEditorParameters()
+    {
+        _ = PostMessageW(new IntPtr(0xFFFF), WmPrivSaveEditorParameters, UIntPtr.Zero, IntPtr.Zero);
+    }
+
     [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
     private static extern uint RegisterWindowMessageW(string lpString);
 

src/modules/imageresizer/ui/App.xaml.cs

@@ -20,7 +20,7 @@ namespace ImageResizer
 {
     public partial class App : Application, IDisposable
     {
-        private const string LogSubFolder = "\\ImageResizer\\Logs";
+        private const string LogSubFolder = "\\Image Resizer\\Logs";
 
         /// <summary>
         /// Gets cached AI availability state, checked at app startup.