From 763c53c2c78ced844f18cbf433208697b7372cb1 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Fri, 17 Mar 2023 22:07:32 +0300
Subject: [PATCH] Allow sync wait for non-UI threads

---
 src/Avalonia.Base/Threading/DispatcherOperation.cs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/Avalonia.Base/Threading/DispatcherOperation.cs b/src/Avalonia.Base/Threading/DispatcherOperation.cs
index b0d7e5a049..173ab81ef8 100644
--- a/src/Avalonia.Base/Threading/DispatcherOperation.cs
+++ b/src/Avalonia.Base/Threading/DispatcherOperation.cs
@@ -253,10 +253,9 @@ public class DispatcherOperation<T> : DispatcherOperation
     {
         get
         {
-            if (TaskCompletionSource.Task.IsCompleted)
+            if (TaskCompletionSource.Task.IsCompleted || !Dispatcher.CheckAccess())
                 return TaskCompletionSource.Task.GetAwaiter().GetResult();
             throw new InvalidOperationException("Synchronous wait is only supported on non-UI threads");
-
         }
     }
 }
@@ -306,4 +305,4 @@ public enum DispatcherOperationStatus
     Aborted = 1,
     Completed = 2,
     Executing = 3,
-}
\ No newline at end of file
+}