From 2c1a181f8656d5034b964c490b0d2b00a18479d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B3zsef=20Moln=C3=A1r?= <mojoe@freemail.hu>
Date: Thu, 30 May 2024 06:26:21 +0200
Subject: [PATCH] Handle case when TaskBarList could not be created (#15852)

* Handle case when TaskBarList could not be created

* Use HRESULT.S_OK for better clarity
---
 src/Windows/Avalonia.Win32/Interop/TaskBarList.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Windows/Avalonia.Win32/Interop/TaskBarList.cs b/src/Windows/Avalonia.Win32/Interop/TaskBarList.cs
index 850892fa6c..f040c97915 100644
--- a/src/Windows/Avalonia.Win32/Interop/TaskBarList.cs
+++ b/src/Windows/Avalonia.Win32/Interop/TaskBarList.cs
@@ -19,6 +19,11 @@ namespace Avalonia.Win32.Interop
         {
             int result = CoCreateInstance(in ShellIds.TaskBarList, IntPtr.Zero, 1, in ShellIds.ITaskBarList2, out IntPtr instance);
 
+            if (result != (int)HRESULT.S_OK)
+            {
+                return IntPtr.Zero;
+            }
+
             var ptr = (ITaskBarList3VTable**)instance.ToPointer();
 
             s_hrInitDelegate ??= Marshal.GetDelegateForFunctionPointer<HrInit>((*ptr)->HrInit);