# lv_obj_event_private.h (/api/core/lv_obj_event_private_h) Structs [#structs] \_lv_hit_test_info_t [#_lv_hit_test_info_t] Used as the event parameter of to check if an `point` can click the object or not. `res` should be set like this: * If already set to `false` another event wants that point non clickable. If you want to respect it leave it as `false` or set `true` to overwrite it. * If already set `true` and `point` shouldn't be clickable set to `false` * If already set to `true` you agree that `point` can click the object leave it as `true` | Member | Type | Description | | ------- | ---------------------------------------------------------- | --------------------------------------------------------------------- | | `point` | | A point relative to screen to check if it can click the object or not | | `res` | | true: `point` can click the object; false: it cannot | \_lv_cover_check_info_t [#_lv_cover_check_info_t] Used as the event parameter of to check if an area is covered by the object or not. In the event use `const `` * area = lv_event_get_cover_area(e)` to get the area to check and `lv_event_set_cover_res(e, res)` to set the result. | Member | Type | Description | | ------ | -------------------------------------------------------- | ----------- | | `res` | | | | `area` | | | Dependencies [#dependencies]