Function get_skin

UnitTests/UnitTest_AttachDetach/DemoKeeper.cpp:55–61

	}

	static std::string_view get_skin()
	{
		const int SIZE = 8;
		static std::string_view names[SIZE] =
			{"WindowCSX", "ScrollView", "ButtonX", "ButtonV", "Button", "EditBoxStretch", "RadioButton", "CheckBox"};
		return names[random(SIZE)];
	}

	static std::string_view get_layer()
	{