类的使用
cool.document.qtmd.MaybeFlagState

cool.document.qtmd中MaybeFlagState的使用

cool.document.qtmd中MaybeFlagState的子类

修饰符和类型	类	说明
class	BgState
class	BState
class	HashState
class	IState
class	MaybeBgColorState
class	MaybeColorState
class	MaybeLinkState
class	MaybeLiState