Improvements

- Update to .NET 10
- Set actual window title to window name
- Add new way to identify other windows

Library/FloatingStatusWindow.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-windows7.0</TargetFramework>
+    <TargetFramework>net10.0-windows7.0</TargetFramework>
     <OutputType>Library</OutputType>
     <RootNamespace>ChrisKaczor.Wpf.Windows.FloatingStatusWindow</RootNamespace>
     <AssemblyName>ChrisKaczor.Wpf.Windows.FloatingStatusWindow</AssemblyName>

Library/MainWindow.xaml.cs

@@ -1,5 +1,4 @@
-using ChrisKaczor.Wpf.Windows;
+using System;
-using System;
 using System.Collections.Generic;
 using System.Windows;
 using System.Windows.Interop;
@@ -20,25 +19,23 @@ internal partial class MainWindow
 
     public WindowSettings WindowSettings { get; set; }
 
-    private bool _locked;
-
     public bool Locked
     {
-        get => _locked;
+        get;
         set
         {
-            _locked = value;
+            field = value;
 
-            _windowChrome.CaptionHeight = (_locked ? 0 : WindowCaptionHeight);
+            _windowChrome.CaptionHeight = (field ? 0 : WindowCaptionHeight);
 
-            HtmlLabel.Margin = new Thickness(0, (_locked ? 0 : WindowCaptionHeight), 0, 0);
+            HtmlLabel.Margin = new Thickness(0, (field ? 0 : WindowCaptionHeight), 0, 0);
 
             // Show the header border if the window is unlocked
-            HeaderBorder.Visibility = (_locked ? Visibility.Collapsed : Visibility.Visible);
+            HeaderBorder.Visibility = (field ? Visibility.Collapsed : Visibility.Visible);
 
             // Show and enable the window border if the window is unlocked
-            BorderFull.BorderBrush = (_locked ? Brushes.Transparent : SystemColors.ActiveCaptionBrush);
+            BorderFull.BorderBrush = (field ? Brushes.Transparent : SystemColors.ActiveCaptionBrush);
-            BorderFull.IsEnabled = !_locked;
+            BorderFull.IsEnabled = !field;
 
             LockStateChanged(null, EventArgs.Empty);
         }
@@ -85,26 +82,37 @@ internal partial class MainWindow
         WindowManager.AllowMessagesThroughFilter(windowHandle);
     }
 
+    private void SetLocked(bool locked)
+    {
+        WindowSettings.Locked = locked;
+        Locked = locked;
+    }
+
     protected override IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
     {
         if (msg == WindowManager.SetLockMessage)
         {
-            var lockState = (wParam == 1);
+            _dispatcher.InvokeAsync(() => SetLocked(wParam == 1));
-
-            _dispatcher.InvokeAsync(() =>
-            {
-                WindowSettings.Locked = lockState;
-                Locked = lockState;
-            });
 
+            handled = true;
             return IntPtr.Zero;
         }
         
-        if (msg != WindowManager.CloseMessage)
+        if (msg == WindowManager.IdentifyMessage)
-            return base.WndProc(hwnd, msg, wParam, lParam, ref handled);
+        {
+            handled = true;
+            return msg;
+        }
         
-        _dispatcher.InvokeAsync(Close);
+        if (msg == WindowManager.CloseMessage)
-        return IntPtr.Zero;
+        {
+            _dispatcher.InvokeAsync(Close);
+
+            handled = true;
+            return IntPtr.Zero;
+        }
+
+        return base.WndProc(hwnd, msg, wParam, lParam, ref handled);
     }
 
     protected override void OnLocationChanged(EventArgs e)

Library/StartManager.cs

@@ -1,6 +1,5 @@
 using ChrisKaczor.Wpf.Application;
 using System;
-using System.Windows;
 
 namespace ChrisKaczor.Wpf.Windows.FloatingStatusWindow;
 

Library/WindowManager.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
 using System.Text;
+using System.Threading;
 
 namespace ChrisKaczor.Wpf.Windows.FloatingStatusWindow;
 
@@ -19,7 +20,7 @@ public static partial class WindowManager
     private static partial void EnumWindows(EnumWindowsProc lpEnumFunc, IntPtr lParam);
 
     [LibraryImport("user32.dll", SetLastError = true, StringMarshalling = StringMarshalling.Utf16, EntryPoint = "RegisterWindowMessageW")]
-    private static partial uint RegisterWindowMessage(string lpString);
+    private static partial int RegisterWindowMessage(string lpString);
 
     [DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
     private static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
@@ -27,26 +28,29 @@ public static partial class WindowManager
     [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "GetWindowTextLengthW")]
     private static partial int GetWindowTextLength(IntPtr hWnd);
 
-    [LibraryImport("user32.dll", EntryPoint = "SendMessageW")]
+    [LibraryImport("user32.dll", EntryPoint = "SendMessageW", SetLastError = true)]
-    private static partial void SendMessage(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);
+    private static partial IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
 
     [LibraryImport("user32.dll", SetLastError = true)]
     [return: MarshalAs(UnmanagedType.Bool)]
-    private static partial void ChangeWindowMessageFilterEx(IntPtr hWnd, uint msg, ChangeWindowMessageFilterExAction action, IntPtr changeInfo);
+    private static partial void ChangeWindowMessageFilterEx(IntPtr hWnd, int msg, ChangeWindowMessageFilterExAction action, IntPtr changeInfo);
 
+    private const string WindowMessageIdentify = "FloatingStatusWindowLibrary_Identify";
     private const string WindowMessageSetLock = "FloatingStatusWindowLibrary_SetLock";
     private const string WindowMessageClose = "FloatingStatusWindowLibrary_Close";
 
-    public static uint SetLockMessage { get; set; }
+    public static int IdentifyMessage { get; set; }
-    public static uint CloseMessage { get; set; }
+    public static int SetLockMessage { get; set; }
+    public static int CloseMessage { get; set; }
 
     static WindowManager()
     {
+        IdentifyMessage = RegisterWindowMessage(WindowMessageIdentify);
         SetLockMessage = RegisterWindowMessage(WindowMessageSetLock);
         CloseMessage = RegisterWindowMessage(WindowMessageClose);
     }
 
-    private static readonly object WindowLocker = new();
+    private static readonly Lock WindowLocker = new();
 
     private static List<WindowInformation> _windowList;
     private static IntPtr _excludeHandle;
@@ -61,7 +65,7 @@ public static partial class WindowManager
     {
         lock (WindowLocker)
         {
-            _windowList = new List<WindowInformation>();
+            _windowList = [];
             _excludeHandle = IntPtr.Zero;
 
             EnumWindows(EnumWindowProc, IntPtr.Zero);
@@ -74,7 +78,7 @@ public static partial class WindowManager
     {
         lock (WindowLocker)
         {
-            _windowList = new List<WindowInformation>();
+            _windowList = [];
             _excludeHandle = excludeHandle;
 
             EnumWindows(EnumWindowProc, IntPtr.Zero);
@@ -94,9 +98,20 @@ public static partial class WindowManager
 
     private static bool EnumWindowProc(IntPtr hWnd, IntPtr lParam)
     {
+        if (hWnd == _excludeHandle)
+            return true;
+
+        var identifyResult = SendMessage(hWnd, IdentifyMessage, IntPtr.Zero, IntPtr.Zero);
+
+        if (identifyResult == IdentifyMessage)
+        {
+            _windowList.Add(new WindowInformation(hWnd));
+            return true;
+        }
+
         var windowText = GetText(hWnd);
 
-        if (windowText == "FloatingStatusWindow" && hWnd != _excludeHandle)
+        if (windowText == "FloatingStatusWindow")
             _windowList.Add(new WindowInformation(hWnd));
 
         return true;
@@ -107,12 +122,12 @@ public static partial class WindowManager
         var lockState = locked ? 1 : 0;
 
         foreach (var w in GetWindowList())
-            SendMessage(w.Handle, SetLockMessage, lockState, IntPtr.Zero);
+            _ = SendMessage(w.Handle, SetLockMessage, lockState, IntPtr.Zero);
     }
 
     public static void CloseAll()
     {
         foreach (var w in GetWindowList())
-            SendMessage(w.Handle, CloseMessage, IntPtr.Zero, IntPtr.Zero);
+            _ = SendMessage(w.Handle, CloseMessage, IntPtr.Zero, IntPtr.Zero);
     }
 }

Library/WindowSettings.cs

@@ -64,6 +64,8 @@ public class WindowSettings : ICloneable
 
     internal void Apply()
     {
+        Window.Title = Name;
+
         // Configure the text label
         HtmlLabel.FontFamily = new FontFamily(FontName);
         HtmlLabel.FontSize = FontSize;
@@ -98,9 +100,9 @@ public class WindowSettings : ICloneable
             return new WindowSettings();
 
         var serializer = new XmlSerializer(typeof(WindowSettings));
-        TextReader textReader = new StringReader(settings);
+        var stringReader = new StringReader(settings);
-        var windowSettings = (WindowSettings)serializer.Deserialize(textReader);
+        var windowSettings = (WindowSettings)serializer.Deserialize(stringReader);
-        textReader.Close();
+        stringReader.Close();
 
         return windowSettings;
     }
@@ -110,9 +112,9 @@ public class WindowSettings : ICloneable
         var builder = new StringBuilder();
 
         var serializer = new XmlSerializer(typeof(WindowSettings));
-        TextWriter textWriter = new StringWriter(builder);
+        var stringWriter = new StringWriter(builder);
-        serializer.Serialize(textWriter, this);
+        serializer.Serialize(stringWriter, this);
-        textWriter.Close();
+        stringWriter.Close();
 
         return builder.ToString();
     }

TestWindow/Properties/AssemblyInfo.cs

@@ -1,6 +1,5 @@
 using System.Reflection;
 using System.Resources;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 using System.Windows;

TestWindow/TestWindow.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-windows7.0</TargetFramework>
+    <TargetFramework>net10.0-windows7.0</TargetFramework>
     <OutputType>WinExe</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <UseWPF>true</UseWPF>
@@ -14,7 +14,6 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="ChrisKaczor.Wpf.Application.StartWithWindows" Version="1.0.5" />
-    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
   </ItemGroup>
 </Project>

TestWindow/WindowSource1.cs

@@ -41,36 +41,24 @@ internal class WindowSource1 : IWindowSource, IDisposable
 
     public Guid Id => Guid.Parse("0329D04D-B89B-4FEC-AFD0-4CB972E47FC8");
 
-    public string Name
+    public string Name => "Test Window 1";
-    {
-        get { return "Test Window 1"; }
-    }
 
-    public System.Drawing.Icon Icon
+    public System.Drawing.Icon Icon => Properties.Resources.ApplicationIcon;
-    {
-        get { return Properties.Resources.ApplicationIcon; }
-    }
 
-    public bool HasSettingsMenu
+    public bool HasSettingsMenu => true;
-    {
-        get { return true; }
-    }
 
     public bool HasAboutMenu => true;
 
     public void ShowAbout()
     {
-        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly()?.GetName().Version?.ToString());
     }
 
     public void ShowSettings()
     {
     }
 
-    public bool HasRefreshMenu
+    public bool HasRefreshMenu => true;
-    {
-        get { return true; }
-    }
 
     public void Refresh()
     {
@@ -78,7 +66,7 @@ internal class WindowSource1 : IWindowSource, IDisposable
 
     public string WindowSettings
     {
-        get { return Properties.Settings.Default.WindowSettings1; }
+        get => Properties.Settings.Default.WindowSettings1;
         set
         {
             Properties.Settings.Default.WindowSettings1 = value;

TestWindow/WindowSource2.cs

@@ -41,36 +41,24 @@ internal class WindowSource2 : IWindowSource, IDisposable
 
     public Guid Id => Guid.Parse("F42F92BC-D397-497A-8E01-E71D084BEDB6");
 
-    public string Name
+    public string Name => "Test Window 2";
-    {
-        get { return "Test Window 2"; }
-    }
 
-    public System.Drawing.Icon Icon
+    public System.Drawing.Icon Icon => Properties.Resources.ApplicationIcon;
-    {
-        get { return Properties.Resources.ApplicationIcon; }
-    }
 
-    public bool HasSettingsMenu
+    public bool HasSettingsMenu => true;
-    {
-        get { return true; }
-    }
 
     public bool HasAboutMenu => true;
 
     public void ShowAbout()
     {
-        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly()?.GetName().Version?.ToString());
     }
 
     public void ShowSettings()
     {
     }
 
-    public bool HasRefreshMenu
+    public bool HasRefreshMenu => true;
-    {
-        get { return true; }
-    }
 
     public void Refresh()
     {
@@ -78,7 +66,7 @@ internal class WindowSource2 : IWindowSource, IDisposable
 
     public string WindowSettings
     {
-        get { return Properties.Settings.Default.WindowSettings2; }
+        get => Properties.Settings.Default.WindowSettings2;
         set
         {
             Properties.Settings.Default.WindowSettings2 = value;

TestWindow/WindowSource3.cs

@@ -41,36 +41,24 @@ internal class WindowSource3 : IWindowSource, IDisposable
 
     public Guid Id => Guid.Parse("CF7466DF-8980-452B-B2FA-290B26204BF2");
 
-    public string Name
+    public string Name => "Test Window 3";
-    {
-        get { return "Test Window 3"; }
-    }
 
-    public System.Drawing.Icon Icon
+    public System.Drawing.Icon Icon => Properties.Resources.ApplicationIcon;
-    {
-        get { return Properties.Resources.ApplicationIcon; }
-    }
 
-    public bool HasSettingsMenu
+    public bool HasSettingsMenu => true;
-    {
-        get { return true; }
-    }
 
     public bool HasAboutMenu => true;
 
     public void ShowAbout()
     {
-        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly()?.GetName().Version?.ToString());
     }
 
     public void ShowSettings()
     {
     }
 
-    public bool HasRefreshMenu
+    public bool HasRefreshMenu => true;
-    {
-        get { return true; }
-    }
 
     public void Refresh()
     {
@@ -78,7 +66,7 @@ internal class WindowSource3 : IWindowSource, IDisposable
 
     public string WindowSettings
     {
-        get { return Properties.Settings.Default.WindowSettings3; }
+        get => Properties.Settings.Default.WindowSettings3;
         set
         {
             Properties.Settings.Default.WindowSettings3 = value;

TestWindow/WindowSource4.cs

@@ -41,36 +41,24 @@ internal class WindowSource4 : IWindowSource, IDisposable
 
     public Guid Id => Guid.Parse("0DD89F7E-3AD4-4226-8CBD-B75C8EBEEF32");
 
-    public string Name
+    public string Name => "Test Window 4";
-    {
-        get { return "Test Window 4"; }
-    }
 
-    public System.Drawing.Icon Icon
+    public System.Drawing.Icon Icon => Properties.Resources.ApplicationIcon;
-    {
-        get { return Properties.Resources.ApplicationIcon; }
-    }
 
-    public bool HasSettingsMenu
+    public bool HasSettingsMenu => true;
-    {
-        get { return true; }
-    }
 
     public bool HasAboutMenu => true;
 
     public void ShowAbout()
     {
-        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        _floatingStatusWindow.SetText(Assembly.GetEntryAssembly()?.GetName().Version?.ToString());
     }
 
     public void ShowSettings()
     {
     }
 
-    public bool HasRefreshMenu
+    public bool HasRefreshMenu => true;
-    {
-        get { return true; }
-    }
 
     public void Refresh()
     {
@@ -78,7 +66,7 @@ internal class WindowSource4 : IWindowSource, IDisposable
 
     public string WindowSettings
     {
-        get { return Properties.Settings.Default.WindowSettings4; }
+        get => Properties.Settings.Default.WindowSettings4;
         set
         {
             Properties.Settings.Default.WindowSettings4 = value;