Add enhancement to support scroll wheel for inventory

platforms/windows/main.cpp

@@ -135,6 +135,12 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
 
 			break;
 		}
+#ifdef ENH_ALLOW_SCROLL_WHEEL
+		case WM_MOUSEWHEEL:
+			Mouse::feed(3, GET_WHEEL_DELTA_WPARAM(wParam), g_MousePosX, g_MousePosY);
+
+			break;
+#endif
 		case WM_SIZE:
 		{
 			UINT width = LOWORD(lParam);