Emulate AboutToWait event on Windows while resizing

More details: https://github.com/rust-windowing/winit/issues/3272

winit/src/application.rs

@@ -213,7 +213,9 @@ where
 
     let mut context = task::Context::from_waker(task::noop_waker_ref());
 
-    let _ = event_loop.run(move |event, event_loop| {
+    #[allow(unused_mut)]
+    let mut process_event =
+        move |event, event_loop: &winit::event_loop::EventLoopWindowTarget<_>| {
             if event_loop.exiting() {
                 return;
             }
@@ -231,7 +233,30 @@ where
                 task::Poll::Ready(_) => {
                     event_loop.exit();
                 }
+            }
         };
+
+    #[cfg(not(target_os = "windows"))]
+    let _ = event_loop.run(process_event);
+
+    // TODO: Remove when unnecessary
+    // On Windows, we emulate an `AboutToWait` event after every `Resized` event
+    // since the event loop does not resume during resize interaction.
+    // More details: https://github.com/rust-windowing/winit/issues/3272
+    #[cfg(target_os = "windows")]
+    let _ = event_loop.run(move |event, event_loop| {
+        if matches!(
+            event,
+            winit::event::Event::WindowEvent {
+                event: winit::event::WindowEvent::Resized(_),
+                ..
+            }
+        ) {
+            process_event(event, event_loop);
+            process_event(winit::event::Event::AboutToWait, event_loop);
+        } else {
+            process_event(event, event_loop);
+        }
     });
 
     Ok(())