Allow our messages from non-elevated processes

FloatingStatusWindow.sln.DotSettings

@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Kaczor/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

Library/MainWindow.xaml.cs

@@ -77,6 +77,14 @@ internal partial class MainWindow
         WindowSettings.Apply();
     }
 
+    protected override void OnSourceInitialized(EventArgs e)
+    {
+        base.OnSourceInitialized(e);
+
+        var windowHandle = new WindowInteropHelper(this).Handle;
+        WindowManager.AllowMessagesThroughFilter(windowHandle);
+    }
+
     protected override IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
     {
         if (msg == WindowManager.SetLockMessage)

Library/WindowManager.cs

@@ -1,5 +1,4 @@
-using ChrisKaczor.Wpf.Windows;
+using System;
-using System;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
 using System.Text;
@@ -10,6 +9,11 @@ public static partial class WindowManager
 {
     private delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
 
+    private enum ChangeWindowMessageFilterExAction : uint
+    {
+        Allow = 1
+    }
+
     [LibraryImport("user32.dll")]
     [return: MarshalAs(UnmanagedType.Bool)]
     private static partial void EnumWindows(EnumWindowsProc lpEnumFunc, IntPtr lParam);
@@ -26,6 +30,10 @@ public static partial class WindowManager
     [LibraryImport("user32.dll", EntryPoint = "SendMessageW")]
     private static partial void SendMessage(IntPtr hWnd, uint 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 const string WindowMessageSetLock = "FloatingStatusWindowLibrary_SetLock";
     private const string WindowMessageClose = "FloatingStatusWindowLibrary_Close";
 
@@ -43,6 +51,12 @@ public static partial class WindowManager
     private static List<WindowInformation> _windowList;
     private static IntPtr _excludeHandle;
 
+    public static void AllowMessagesThroughFilter(IntPtr hWnd)
+    {
+        ChangeWindowMessageFilterEx(hWnd, SetLockMessage, ChangeWindowMessageFilterExAction.Allow, IntPtr.Zero);
+        ChangeWindowMessageFilterEx(hWnd, CloseMessage, ChangeWindowMessageFilterExAction.Allow, IntPtr.Zero);
+    }
+
     public static List<WindowInformation> GetWindowList()
     {
         lock (WindowLocker)