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Source/Engine/Platform/SDL/SDLPlatform.cpp

@@ -217,9 +217,15 @@ void SDLPlatform::Tick()
             if (draggedWindow == nullptr)
                 return true;
 
+            // When the window is being dragged on Windows, the internal message loop is blocking
+            // the SDL event queue. We need to handle all relevant events in this event watch callback
+            // to ensure dragging related functionality doesn't break due to engine not getting updated.
+            // This also happens to fix the engine freezing during the dragging operation.
+
             SDLWindow* window = SDLWindow::GetWindowFromEvent(*event);
             if (event->type == SDL_EVENT_WINDOW_EXPOSED)
             {
+                // The internal timer is sending exposed events every ~16ms
                 Engine::OnUpdate();//Scripting::Update(); // For docking updates
                 Engine::OnDraw();
                 return false;