pub trait ListBoxImplExt: ObjectSubclass {
fn list_box_activate_cursor_row(&self);
fn list_box_move_cursor(&self, step: MovementStep, count: i32);
fn list_box_row_activated(&self, row: &ListBoxRow);
fn list_box_row_selected(&self, row: Option<&ListBoxRow>);
fn list_box_select_all(&self);
fn list_box_selected_rows_changed(&self);
fn list_box_toggle_cursor_row(&self);
fn list_box_unselect_all(&self);
}