Method GetTypeCount

src/picker_gui.h:118–118

	int GetClassCount() const override { return T::GetClassCount(); }
	int GetTypeCount(int cls_id) const override { return this->GetClass(cls_id)->GetSpecCount(); }

	PickerItem GetPickerItem(const typename T::spec_type *spec, int cls_id = -1, int id = -1) const
	{