成员的完整列表，这些成员属于 Dtk::Core::DSettingsDConfigBackend,包括所有继承而来的类成员

doSetOption(const QString &key, const QVariant &value) Q_DECL_OVERRIDE	Dtk::Core::DSettingsDConfigBackend	protectedvirtualslot
doSync() Q_DECL_OVERRIDE	Dtk::Core::DSettingsDConfigBackend	protectedvirtualslot
DSettingsBackend(QObject *parent=Q_NULLPTR)	Dtk::Core::DSettingsBackend	inlineexplicit
DSettingsDConfigBackend(const QString &name, const QString &subpath=QString(), QObject *parent=nullptr)	Dtk::Core::DSettingsDConfigBackend	explicit
getOption(const QString &key) const Q_DECL_OVERRIDE	Dtk::Core::DSettingsDConfigBackend	virtual
keys() const Q_DECL_OVERRIDE	Dtk::Core::DSettingsDConfigBackend	virtual
optionChanged(const QString &key, const QVariant &value)	Dtk::Core::DSettingsBackend	signal
setOption(const QString &key, const QVariant &value)	Dtk::Core::DSettingsBackend	signal
sync()	Dtk::Core::DSettingsBackend	signal
~DSettingsBackend() (定义于 Dtk::Core::DSettingsBackend)	Dtk::Core::DSettingsBackend	inlinevirtual
~DSettingsDConfigBackend() Q_DECL_OVERRIDE (定义于 Dtk::Core::DSettingsDConfigBackend)	Dtk::Core::DSettingsDConfigBackend