diff --git a/examples/Example.h b/examples/Example.h
index a88559c0..d1f0d681 100644
--- a/examples/Example.h
+++ b/examples/Example.h
@@ -440,6 +440,11 @@ struct WgWindow : Window
         //Set the canvas target and draw on it.
         verify(canvas->target(instance, surface, width, height));
     }
+
+    void refresh() override 
+    {
+        wgpuSurfacePresent(surface);
+    }
 };
 
 #else