//only logic
LBG_BUTTON* button_test (..., ..., ..., ..., NULL); //event function NULL
...

//Function thread for button press

...
while(button_test)
{
//if mouse over
//if mouse left
//work parameters

}

void clean_log()
{
	//number of items in the list
int total = LBG_object_getnum(_listbox->item_first,LBG_object_last(_listbox));
	int ping; //for loop

	for(ping =0; ping < total; ping ++)
	{
           LBG_destroy_listitem(_listbox->item_first);
	   _listbox->item_first = _listbox->item_first->next;
	}
	
	
}

void clean_log()
{
	//number of items in the list
int total = LBG_object_getnum(_listbox->item_first,LBG_object_last(_listbox));
	int ping; //for loop
        LBG_LISTITEM* item_old;

	for(ping =0; ping <= total; ping ++)
	{
           item_old = _listbox->item_first->next;           
           LBG_destroy_listitem(_listbox->item_first);
	   _listbox->item_first = item_old;
	}
	
	
}

LBG_LISTITEM* item_folow = LBG_rightclick_add_option(_lbgrightclick1,1,"Seguir",LIF_SHOW,NULL);
//Its work, the item is created

reset(item_folow,LIF_SHOW); //no WORK
//or
item_folow.flags &= ~LIF_SHOW); //no WORK