c++ - wxComboBox adding hover effect -


here code in c++ when initialize frame in wxwidgets:

wxpanel *panel = new wxpanel(this, wxid_any);  combo_list = new wxcombobox(panel,id_combobox); combo_list->append("guitar"); combo_list->append("violin");  connect(id_combobox, wxevt_command_combobox_selected,         wxcommandeventhandler(combobox::onselect));

however, there no default hover effect, background color changing when move mouse on specific selection. , find hour on google still cannot find it. can told me how make hover effect?

i want implement 2 drop down lists. content in first 1 has been determined before running program. in order 1 content determined after choose directory.


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