diff --git a/src/ManagedShell.Interop/NativeMethods.User32.cs b/src/ManagedShell.Interop/NativeMethods.User32.cs
index 154bfb1b..e476dc48 100644
--- a/src/ManagedShell.Interop/NativeMethods.User32.cs
+++ b/src/ManagedShell.Interop/NativeMethods.User32.cs
@@ -3014,6 +3014,9 @@ public static extern IntPtr CreateWindowEx(
         [DllImport(User32_DllName)]
         public static extern bool PostMessage(int hWnd, uint msg, int wParam, long lParam);
 
+        [DllImport(User32_DllName)]
+        public static extern bool PostMessage(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);
+
         public enum KLF : uint
         {
             ACTIVATE = 0x00000001,
diff --git a/src/ManagedShell.WindowsTray/TrayService.cs b/src/ManagedShell.WindowsTray/TrayService.cs
index 254af926..de1e0e35 100644
--- a/src/ManagedShell.WindowsTray/TrayService.cs
+++ b/src/ManagedShell.WindowsTray/TrayService.cs
@@ -1,6 +1,7 @@
 using ManagedShell.Common.Helpers;
 using ManagedShell.Common.Logging;
 using System;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Windows.Threading;
 using static ManagedShell.Interop.NativeMethods;
@@ -11,6 +12,7 @@ public class TrayService : IDisposable
     {
         private const string NotifyWndClass = "TrayNotifyWnd";
         private const string TrayWndClass = "Shell_TrayWnd";
+        private readonly int[] ForwardMessagesPost = { (int)WM.USER + 372 };
 
         private AppBarMessageDelegate appBarMessageDelegate;
         private IconDataDelegate iconDataDelegate;
@@ -267,6 +269,12 @@ private IntPtr ForwardMsg(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
 
             if (HwndFwd != IntPtr.Zero)
             {
+                if (msg >= (int)WM.USER && ForwardMessagesPost.Contains(msg))
+                {
+                    ShellLogger.Debug($"TrayService: Forwarding message via PostMessage: {msg}");
+                    PostMessage(HwndFwd, (uint)msg, wParam, lParam);
+                    return DefWindowProc(hWnd, msg, wParam, lParam);
+                }
                 return SendMessage(HwndFwd, msg, wParam, lParam);
             }