Handle null from RootProvider_GetWindow.

3 years ago · 2c91d7f893
1 changed files with 7 additions and 0 deletions
--- a/native/Avalonia.Native/src/OSX/automation.mm
+++ b/native/Avalonia.Native/src/OSX/automation.mm
@ -73,6 +73,13 @@ private:
    if (peer->IsRootProvider())
    {
        auto window = peer->RootProvider_GetWindow();
+        
+        if (window == nullptr)
+        {
+            NSLog(@"IRootProvider.PlatformImpl returned null or a non-WindowBaseImpl.");
+            return nil;
+        }
+        
        auto holder = dynamic_cast<INSWindowHolder*>(window);
        auto view = holder->GetNSView();
        return [[AvnRootAccessibilityElement alloc] initWithPeer:peer owner:view];