Method showBarButton

MyGUIEngine/src/MyGUI_BackwardCompatibility.cpp:528–531

		static_cast<TabControl*>(this)->setButtonWidth(_sheet, _width);
	}
	void MemberObsolete<TabControl>::showBarButton(size_t _index)
	{
		static_cast<TabControl*>(this)->beginToItemAt(_index);
	}
	void MemberObsolete<TabControl>::showBarSelectButton()
	{
		static_cast<TabControl*>(this)->beginToItemSelected();