Handle case when TaskBarList could not be created (AvaloniaUI#15852)

* Handle case when TaskBarList could not be created * Use HRESULT.S_OK for better clarity
Luoyingliang · May 30, 2024 · 0063a5e · 0063a5e
1 parent 861c0e4
commit 0063a5e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/Windows/Avalonia.Win32/Interop/TaskBarList.cs b/src/Windows/Avalonia.Win32/Interop/TaskBarList.cs
@@ -19,6 +19,11 @@ private static unsafe IntPtr Init()
         {
             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);