button_cxx_example_00.cc
#include <Elementary.hh>
EAPI_MAIN int
elm_main (int argc, char *argv[])
{
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_HIDDEN);
win.title_set("Hello, World!");
win.autohide_set(true);
::elm::bg bg(efl::eo::parent = win);
bg.size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
win.resize_object_add(bg);
bg.visible_set(true);
::elm::button btn(efl::eo::parent = win);
btn.text_set("elm.text","Good-Bye, World!");
btn.size_set(120, 30);
btn.position_set(60, 15);
btn.size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
btn.size_hint_align_set(EVAS_HINT_FILL, EVAS_HINT_FILL);
btn.visible_set(true);
auto on_click = std::bind([] () { elm_exit(); });
btn.callback_clicked_add( on_click );
win.size_set(240, 60);
win.visible_set(true);
return 0;
}