fix #3500 crash after close any fullscreen window on mac

6 years ago · 86531adc69
1 changed files with 6 additions and 1 deletions
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@ -805,7 +805,12 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
        [self removeTrackingArea:_area];
        _area = nullptr;
    }
-    
+
+    if (_parent == nullptr)
+    {
+        return;
+    }
+
    NSRect rect = NSZeroRect;
    rect.size = newSize;